Home / 103,617.59-142,982.10-58,294.60

Finding the Fourth Proportional to 103,617.59, 142,982.10 and 58,294.60

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Solution

The fourth proportional to 103,617.59, 142,982.10 and 58,294.60 is: 80,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.59 : 142,982.10 = 58,294.60 : x
  2. Step 2: Convert to fraction form
    103,617.59/142,982.10 = 58,294.60/x
  3. Step 3: Cross multiply
    103,617.59x = 142,982.10 × 58,294.60
  4. Step 4: Simplify right side
    103,617.59x = 8,335,084,326.66
  5. Step 5: Solve for x
    x = 8,335,084,326.66/103,617.59
  6. Step 6: Final answer
    x = 80,440.82

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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.