Home / 103,380.96-142,657.02-62,560.38

Finding the Fourth Proportional to 103,380.96, 142,657.02 and 62,560.38

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Solution

The fourth proportional to 103,380.96, 142,657.02 and 62,560.38 is: 86,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,380.96 : 142,657.02 = 62,560.38 : x
  2. Step 2: Convert to fraction form
    103,380.96/142,657.02 = 62,560.38/x
  3. Step 3: Cross multiply
    103,380.96x = 142,657.02 × 62,560.38
  4. Step 4: Simplify right side
    103,380.96x = 8,924,677,380.87
  5. Step 5: Solve for x
    x = 8,924,677,380.87/103,380.96
  6. Step 6: Final answer
    x = 86,328.06

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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.