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Finding the Fourth Proportional to 110,791.72, 152,885.46 and 60,490.60

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Solution

The fourth proportional to 110,791.72, 152,885.46 and 60,490.60 is: 83,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,791.72 : 152,885.46 = 60,490.60 : x
  2. Step 2: Convert to fraction form
    110,791.72/152,885.46 = 60,490.60/x
  3. Step 3: Cross multiply
    110,791.72x = 152,885.46 × 60,490.60
  4. Step 4: Simplify right side
    110,791.72x = 9,248,133,206.68
  5. Step 5: Solve for x
    x = 9,248,133,206.68/110,791.72
  6. Step 6: Final answer
    x = 83,473.14

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1.5x scale

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.