Home / 150,285.62-207,358.56-89,000.86

Finding the Fourth Proportional to 150,285.62, 207,358.56 and 89,000.86

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Solution

The fourth proportional to 150,285.62, 207,358.56 and 89,000.86 is: 122,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,285.62 : 207,358.56 = 89,000.86 : x
  2. Step 2: Convert to fraction form
    150,285.62/207,358.56 = 89,000.86/x
  3. Step 3: Cross multiply
    150,285.62x = 207,358.56 × 89,000.86
  4. Step 4: Simplify right side
    150,285.62x = 18,455,090,168.36
  5. Step 5: Solve for x
    x = 18,455,090,168.36/150,285.62
  6. Step 6: Final answer
    x = 122,800.11

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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.