Home / 103,190.68-142,428.54-62,926.66

Finding the Fourth Proportional to 103,190.68, 142,428.54 and 62,926.66

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Solution

The fourth proportional to 103,190.68, 142,428.54 and 62,926.66 is: 86,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,190.68 : 142,428.54 = 62,926.66 : x
  2. Step 2: Convert to fraction form
    103,190.68/142,428.54 = 62,926.66/x
  3. Step 3: Cross multiply
    103,190.68x = 142,428.54 × 62,926.66
  4. Step 4: Simplify right side
    103,190.68x = 8,962,552,310.88
  5. Step 5: Solve for x
    x = 8,962,552,310.88/103,190.68
  6. Step 6: Final answer
    x = 86,854.28

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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.