Home / 96,557.28-144,859.56-78,005.40

Finding the Fourth Proportional to 96,557.28, 144,859.56 and 78,005.40

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Solution

The fourth proportional to 96,557.28, 144,859.56 and 78,005.40 is: 117,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,557.28 : 144,859.56 = 78,005.40 : x
  2. Step 2: Convert to fraction form
    96,557.28/144,859.56 = 78,005.40/x
  3. Step 3: Cross multiply
    96,557.28x = 144,859.56 × 78,005.40
  4. Step 4: Simplify right side
    96,557.28x = 11,299,827,921.62
  5. Step 5: Solve for x
    x = 11,299,827,921.62/96,557.28
  6. Step 6: Final answer
    x = 117,027.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.