Home / 103,256.04-142,484.94-57,927.90

Finding the Fourth Proportional to 103,256.04, 142,484.94 and 57,927.90

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Solution

The fourth proportional to 103,256.04, 142,484.94 and 57,927.90 is: 79,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,256.04 : 142,484.94 = 57,927.90 : x
  2. Step 2: Convert to fraction form
    103,256.04/142,484.94 = 57,927.90/x
  3. Step 3: Cross multiply
    103,256.04x = 142,484.94 × 57,927.90
  4. Step 4: Simplify right side
    103,256.04x = 8,253,853,355.83
  5. Step 5: Solve for x
    x = 8,253,853,355.83/103,256.04
  6. Step 6: Final answer
    x = 79,935.79

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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.