Home / 115,184.34-158,957.64-67,439.70

Finding the Fourth Proportional to 115,184.34, 158,957.64 and 67,439.70

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Solution

The fourth proportional to 115,184.34, 158,957.64 and 67,439.70 is: 93,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.34 : 158,957.64 = 67,439.70 : x
  2. Step 2: Convert to fraction form
    115,184.34/158,957.64 = 67,439.70/x
  3. Step 3: Cross multiply
    115,184.34x = 158,957.64 × 67,439.70
  4. Step 4: Simplify right side
    115,184.34x = 10,720,055,554.31
  5. Step 5: Solve for x
    x = 10,720,055,554.31/115,184.34
  6. Step 6: Final answer
    x = 93,068.69

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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.