Home / 135,248.43-186,641.24-74,814.33

Finding the Fourth Proportional to 135,248.43, 186,641.24 and 74,814.33

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Solution

The fourth proportional to 135,248.43, 186,641.24 and 74,814.33 is: 103,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,248.43 : 186,641.24 = 74,814.33 : x
  2. Step 2: Convert to fraction form
    135,248.43/186,641.24 = 74,814.33/x
  3. Step 3: Cross multiply
    135,248.43x = 186,641.24 × 74,814.33
  4. Step 4: Simplify right side
    135,248.43x = 13,963,438,946.90
  5. Step 5: Solve for x
    x = 13,963,438,946.90/135,248.43
  6. Step 6: Final answer
    x = 103,242.89

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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.