Home / 102,487.07-153,658.01-45,529.70

Finding the Fourth Proportional to 102,487.07, 153,658.01 and 45,529.70

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Solution

The fourth proportional to 102,487.07, 153,658.01 and 45,529.70 is: 68,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,487.07 : 153,658.01 = 45,529.70 : x
  2. Step 2: Convert to fraction form
    102,487.07/153,658.01 = 45,529.70/x
  3. Step 3: Cross multiply
    102,487.07x = 153,658.01 × 45,529.70
  4. Step 4: Simplify right side
    102,487.07x = 6,996,002,443.43
  5. Step 5: Solve for x
    x = 6,996,002,443.43/102,487.07
  6. Step 6: Final answer
    x = 68,262.29

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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.