Home / 161,335.24-222,648-88,741.19

Finding the Fourth Proportional to 161,335.24, 222,648 and 88,741.19

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Solution

The fourth proportional to 161,335.24, 222,648 and 88,741.19 is: 122,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,335.24 : 222,648 = 88,741.19 : x
  2. Step 2: Convert to fraction form
    161,335.24/222,648 = 88,741.19/x
  3. Step 3: Cross multiply
    161,335.24x = 222,648 × 88,741.19
  4. Step 4: Simplify right side
    161,335.24x = 19,758,048,471.12
  5. Step 5: Solve for x
    x = 19,758,048,471.12/161,335.24
  6. Step 6: Final answer
    x = 122,465.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.