Home / 176,257.47-243,209.65-100,791.39

Finding the Fourth Proportional to 176,257.47, 243,209.65 and 100,791.39

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Solution

The fourth proportional to 176,257.47, 243,209.65 and 100,791.39 is: 139,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,257.47 : 243,209.65 = 100,791.39 : x
  2. Step 2: Convert to fraction form
    176,257.47/243,209.65 = 100,791.39/x
  3. Step 3: Cross multiply
    176,257.47x = 243,209.65 × 100,791.39
  4. Step 4: Simplify right side
    176,257.47x = 24,513,438,684.91
  5. Step 5: Solve for x
    x = 24,513,438,684.91/176,257.47
  6. Step 6: Final answer
    x = 139,077.45

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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.