Home / 249,925.38-374,849.56-81,445.29

Finding the Fourth Proportional to 249,925.38, 374,849.56 and 81,445.29

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Solution

The fourth proportional to 249,925.38, 374,849.56 and 81,445.29 is: 122,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,925.38 : 374,849.56 = 81,445.29 : x
  2. Step 2: Convert to fraction form
    249,925.38/374,849.56 = 81,445.29/x
  3. Step 3: Cross multiply
    249,925.38x = 374,849.56 × 81,445.29
  4. Step 4: Simplify right side
    249,925.38x = 30,529,731,120.57
  5. Step 5: Solve for x
    x = 30,529,731,120.57/249,925.38
  6. Step 6: Final answer
    x = 122,155.39

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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.