Home / 136,178.64-204,270.36-47,433.80

Finding the Fourth Proportional to 136,178.64, 204,270.36 and 47,433.80

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Solution

The fourth proportional to 136,178.64, 204,270.36 and 47,433.80 is: 71,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,178.64 : 204,270.36 = 47,433.80 : x
  2. Step 2: Convert to fraction form
    136,178.64/204,270.36 = 47,433.80/x
  3. Step 3: Cross multiply
    136,178.64x = 204,270.36 × 47,433.80
  4. Step 4: Simplify right side
    136,178.64x = 9,689,319,402.17
  5. Step 5: Solve for x
    x = 9,689,319,402.17/136,178.64
  6. Step 6: Final answer
    x = 71,151.54

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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.