Home / 103,036.60-142,195.85-57,711.93

Finding the Fourth Proportional to 103,036.60, 142,195.85 and 57,711.93

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Solution

The fourth proportional to 103,036.60, 142,195.85 and 57,711.93 is: 79,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,036.60 : 142,195.85 = 57,711.93 : x
  2. Step 2: Convert to fraction form
    103,036.60/142,195.85 = 57,711.93/x
  3. Step 3: Cross multiply
    103,036.60x = 142,195.85 × 57,711.93
  4. Step 4: Simplify right side
    103,036.60x = 8,206,396,941.49
  5. Step 5: Solve for x
    x = 8,206,396,941.49/103,036.60
  6. Step 6: Final answer
    x = 79,645.46

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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.