Home / 144,895.47-217,319.88-39,689.85

Finding the Fourth Proportional to 144,895.47, 217,319.88 and 39,689.85

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Solution

The fourth proportional to 144,895.47, 217,319.88 and 39,689.85 is: 59,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.47 : 217,319.88 = 39,689.85 : x
  2. Step 2: Convert to fraction form
    144,895.47/217,319.88 = 39,689.85/x
  3. Step 3: Cross multiply
    144,895.47x = 217,319.88 × 39,689.85
  4. Step 4: Simplify right side
    144,895.47x = 8,625,393,439.22
  5. Step 5: Solve for x
    x = 8,625,393,439.22/144,895.47
  6. Step 6: Final answer
    x = 59,528.39

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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.