Home / 144,622.08-216,979.20-115,153.92

Finding the Fourth Proportional to 144,622.08, 216,979.20 and 115,153.92

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Solution

The fourth proportional to 144,622.08, 216,979.20 and 115,153.92 is: 172,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,622.08 : 216,979.20 = 115,153.92 : x
  2. Step 2: Convert to fraction form
    144,622.08/216,979.20 = 115,153.92/x
  3. Step 3: Cross multiply
    144,622.08x = 216,979.20 × 115,153.92
  4. Step 4: Simplify right side
    144,622.08x = 24,986,005,438.46
  5. Step 5: Solve for x
    x = 24,986,005,438.46/144,622.08
  6. Step 6: Final answer
    x = 172,767.57

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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.