Home / 249,691.85-374,575.07-91,908.31

Finding the Fourth Proportional to 249,691.85, 374,575.07 and 91,908.31

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Solution

The fourth proportional to 249,691.85, 374,575.07 and 91,908.31 is: 137,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,691.85 : 374,575.07 = 91,908.31 : x
  2. Step 2: Convert to fraction form
    249,691.85/374,575.07 = 91,908.31/x
  3. Step 3: Cross multiply
    249,691.85x = 374,575.07 × 91,908.31
  4. Step 4: Simplify right side
    249,691.85x = 34,426,560,945.16
  5. Step 5: Solve for x
    x = 34,426,560,945.16/249,691.85
  6. Step 6: Final answer
    x = 137,876.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.