Home / 96,728.76-144,307.67-91,497.24

Finding the Fourth Proportional to 96,728.76, 144,307.67 and 91,497.24

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Solution

The fourth proportional to 96,728.76, 144,307.67 and 91,497.24 is: 136,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,728.76 : 144,307.67 = 91,497.24 : x
  2. Step 2: Convert to fraction form
    96,728.76/144,307.67 = 91,497.24/x
  3. Step 3: Cross multiply
    96,728.76x = 144,307.67 × 91,497.24
  4. Step 4: Simplify right side
    96,728.76x = 13,203,753,058.34
  5. Step 5: Solve for x
    x = 13,203,753,058.34/96,728.76
  6. Step 6: Final answer
    x = 136,502.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.