Home / 96,160.24-144,044.52-78,454

Finding the Fourth Proportional to 96,160.24, 144,044.52 and 78,454

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Solution

The fourth proportional to 96,160.24, 144,044.52 and 78,454 is: 117,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,160.24 : 144,044.52 = 78,454 : x
  2. Step 2: Convert to fraction form
    96,160.24/144,044.52 = 78,454/x
  3. Step 3: Cross multiply
    96,160.24x = 144,044.52 × 78,454
  4. Step 4: Simplify right side
    96,160.24x = 11,300,868,772.08
  5. Step 5: Solve for x
    x = 11,300,868,772.08/96,160.24
  6. Step 6: Final answer
    x = 117,521.22

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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.