Home / 126,350.64-174,156.12-89,569.20

Finding the Fourth Proportional to 126,350.64, 174,156.12 and 89,569.20

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Solution

The fourth proportional to 126,350.64, 174,156.12 and 89,569.20 is: 123,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,350.64 : 174,156.12 = 89,569.20 : x
  2. Step 2: Convert to fraction form
    126,350.64/174,156.12 = 89,569.20/x
  3. Step 3: Cross multiply
    126,350.64x = 174,156.12 × 89,569.20
  4. Step 4: Simplify right side
    126,350.64x = 15,599,024,343.50
  5. Step 5: Solve for x
    x = 15,599,024,343.50/126,350.64
  6. Step 6: Final answer
    x = 123,458.21

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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.