Home / 102,002.10-153,003.15-91,634.10

Finding the Fourth Proportional to 102,002.10, 153,003.15 and 91,634.10

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Solution

The fourth proportional to 102,002.10, 153,003.15 and 91,634.10 is: 137,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.10 : 153,003.15 = 91,634.10 : x
  2. Step 2: Convert to fraction form
    102,002.10/153,003.15 = 91,634.10/x
  3. Step 3: Cross multiply
    102,002.10x = 153,003.15 × 91,634.10
  4. Step 4: Simplify right side
    102,002.10x = 14,020,305,947.42
  5. Step 5: Solve for x
    x = 14,020,305,947.42/102,002.10
  6. Step 6: Final answer
    x = 137,451.15

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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.