Home / 96,948.40-145,422.60-96,257.20

Finding the Fourth Proportional to 96,948.40, 145,422.60 and 96,257.20

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Solution

The fourth proportional to 96,948.40, 145,422.60 and 96,257.20 is: 144,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,948.40 : 145,422.60 = 96,257.20 : x
  2. Step 2: Convert to fraction form
    96,948.40/145,422.60 = 96,257.20/x
  3. Step 3: Cross multiply
    96,948.40x = 145,422.60 × 96,257.20
  4. Step 4: Simplify right side
    96,948.40x = 13,997,972,292.72
  5. Step 5: Solve for x
    x = 13,997,972,292.72/96,948.40
  6. Step 6: Final answer
    x = 144,385.80

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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.