Home / 115,006.20-158,708.52-64,017.84

Finding the Fourth Proportional to 115,006.20, 158,708.52 and 64,017.84

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Solution

The fourth proportional to 115,006.20, 158,708.52 and 64,017.84 is: 88,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,006.20 : 158,708.52 = 64,017.84 : x
  2. Step 2: Convert to fraction form
    115,006.20/158,708.52 = 64,017.84/x
  3. Step 3: Cross multiply
    115,006.20x = 158,708.52 × 64,017.84
  4. Step 4: Simplify right side
    115,006.20x = 10,160,176,640.00
  5. Step 5: Solve for x
    x = 10,160,176,640.00/115,006.20
  6. Step 6: Final answer
    x = 88,344.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.