Home / 157,132.21-216,847.37-89,152.05

Finding the Fourth Proportional to 157,132.21, 216,847.37 and 89,152.05

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Solution

The fourth proportional to 157,132.21, 216,847.37 and 89,152.05 is: 123,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,132.21 : 216,847.37 = 89,152.05 : x
  2. Step 2: Convert to fraction form
    157,132.21/216,847.37 = 89,152.05/x
  3. Step 3: Cross multiply
    157,132.21x = 216,847.37 × 89,152.05
  4. Step 4: Simplify right side
    157,132.21x = 19,332,387,126.85
  5. Step 5: Solve for x
    x = 19,332,387,126.85/157,132.21
  6. Step 6: Final answer
    x = 123,032.62

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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.