Home / 150,165.04-207,207.30-89,722.91

Finding the Fourth Proportional to 150,165.04, 207,207.30 and 89,722.91

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Solution

The fourth proportional to 150,165.04, 207,207.30 and 89,722.91 is: 123,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165.04 : 207,207.30 = 89,722.91 : x
  2. Step 2: Convert to fraction form
    150,165.04/207,207.30 = 89,722.91/x
  3. Step 3: Cross multiply
    150,165.04x = 207,207.30 × 89,722.91
  4. Step 4: Simplify right side
    150,165.04x = 18,591,242,006.69
  5. Step 5: Solve for x
    x = 18,591,242,006.69/150,165.04
  6. Step 6: Final answer
    x = 123,805.39

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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.