Home / 144,720.08-217,154.25-68,904.42

Finding the Fourth Proportional to 144,720.08, 217,154.25 and 68,904.42

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Solution

The fourth proportional to 144,720.08, 217,154.25 and 68,904.42 is: 103,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,720.08 : 217,154.25 = 68,904.42 : x
  2. Step 2: Convert to fraction form
    144,720.08/217,154.25 = 68,904.42/x
  3. Step 3: Cross multiply
    144,720.08x = 217,154.25 × 68,904.42
  4. Step 4: Simplify right side
    144,720.08x = 14,962,886,832.46
  5. Step 5: Solve for x
    x = 14,962,886,832.46/144,720.08
  6. Step 6: Final answer
    x = 103,391.92

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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.