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Finding the Fourth Proportional to 96,304.40, 144,499.80 and 43,686.80

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Solution

The fourth proportional to 96,304.40, 144,499.80 and 43,686.80 is: 65,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,304.40 : 144,499.80 = 43,686.80 : x
  2. Step 2: Convert to fraction form
    96,304.40/144,499.80 = 43,686.80/x
  3. Step 3: Cross multiply
    96,304.40x = 144,499.80 × 43,686.80
  4. Step 4: Simplify right side
    96,304.40x = 6,312,733,862.64
  5. Step 5: Solve for x
    x = 6,312,733,862.64/96,304.40
  6. Step 6: Final answer
    x = 65,549.80

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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.