Home / 178,569.16-267,853.72-139,155.76

Finding the Fourth Proportional to 178,569.16, 267,853.72 and 139,155.76

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Solution

The fourth proportional to 178,569.16, 267,853.72 and 139,155.76 is: 208,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,569.16 : 267,853.72 = 139,155.76 : x
  2. Step 2: Convert to fraction form
    178,569.16/267,853.72 = 139,155.76/x
  3. Step 3: Cross multiply
    178,569.16x = 267,853.72 × 139,155.76
  4. Step 4: Simplify right side
    178,569.16x = 37,273,387,975.43
  5. Step 5: Solve for x
    x = 37,273,387,975.43/178,569.16
  6. Step 6: Final answer
    x = 208,733.62

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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.