Home / 103,202.02-142,421.66-62,906.55

Finding the Fourth Proportional to 103,202.02, 142,421.66 and 62,906.55

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Solution

The fourth proportional to 103,202.02, 142,421.66 and 62,906.55 is: 86,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,202.02 : 142,421.66 = 62,906.55 : x
  2. Step 2: Convert to fraction form
    103,202.02/142,421.66 = 62,906.55/x
  3. Step 3: Cross multiply
    103,202.02x = 142,421.66 × 62,906.55
  4. Step 4: Simplify right side
    103,202.02x = 8,959,255,275.87
  5. Step 5: Solve for x
    x = 8,959,255,275.87/103,202.02
  6. Step 6: Final answer
    x = 86,812.79

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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.