Home / 161,147.08-222,386.93-88,549.38

Finding the Fourth Proportional to 161,147.08, 222,386.93 and 88,549.38

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Solution

The fourth proportional to 161,147.08, 222,386.93 and 88,549.38 is: 122,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,147.08 : 222,386.93 = 88,549.38 : x
  2. Step 2: Convert to fraction form
    161,147.08/222,386.93 = 88,549.38/x
  3. Step 3: Cross multiply
    161,147.08x = 222,386.93 × 88,549.38
  4. Step 4: Simplify right side
    161,147.08x = 19,692,224,771.60
  5. Step 5: Solve for x
    x = 19,692,224,771.60/161,147.08
  6. Step 6: Final answer
    x = 122,200.32

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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.