Home / 143,359.17-197,865.76-90,937.24

Finding the Fourth Proportional to 143,359.17, 197,865.76 and 90,937.24

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Solution

The fourth proportional to 143,359.17, 197,865.76 and 90,937.24 is: 125,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,359.17 : 197,865.76 = 90,937.24 : x
  2. Step 2: Convert to fraction form
    143,359.17/197,865.76 = 90,937.24/x
  3. Step 3: Cross multiply
    143,359.17x = 197,865.76 × 90,937.24
  4. Step 4: Simplify right side
    143,359.17x = 17,993,366,104.90
  5. Step 5: Solve for x
    x = 17,993,366,104.90/143,359.17
  6. Step 6: Final answer
    x = 125,512.49

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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.