Home / 177,512.90-266,420.55-72,407.30

Finding the Fourth Proportional to 177,512.90, 266,420.55 and 72,407.30

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Solution

The fourth proportional to 177,512.90, 266,420.55 and 72,407.30 is: 108,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,512.90 : 266,420.55 = 72,407.30 : x
  2. Step 2: Convert to fraction form
    177,512.90/266,420.55 = 72,407.30/x
  3. Step 3: Cross multiply
    177,512.90x = 266,420.55 × 72,407.30
  4. Step 4: Simplify right side
    177,512.90x = 19,290,792,690.02
  5. Step 5: Solve for x
    x = 19,290,792,690.02/177,512.90
  6. Step 6: Final answer
    x = 108,672.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.