Home / 161,845.74-223,347.12-90,224.22

Finding the Fourth Proportional to 161,845.74, 223,347.12 and 90,224.22

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Solution

The fourth proportional to 161,845.74, 223,347.12 and 90,224.22 is: 124,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,845.74 : 223,347.12 = 90,224.22 : x
  2. Step 2: Convert to fraction form
    161,845.74/223,347.12 = 90,224.22/x
  3. Step 3: Cross multiply
    161,845.74x = 223,347.12 × 90,224.22
  4. Step 4: Simplify right side
    161,845.74x = 20,151,319,691.25
  5. Step 5: Solve for x
    x = 20,151,319,691.25/161,845.74
  6. Step 6: Final answer
    x = 124,509.42

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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.