Home / 144,145.14-216,217.71-65,257.62

Finding the Fourth Proportional to 144,145.14, 216,217.71 and 65,257.62

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Solution

The fourth proportional to 144,145.14, 216,217.71 and 65,257.62 is: 97,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,145.14 : 216,217.71 = 65,257.62 : x
  2. Step 2: Convert to fraction form
    144,145.14/216,217.71 = 65,257.62/x
  3. Step 3: Cross multiply
    144,145.14x = 216,217.71 × 65,257.62
  4. Step 4: Simplify right side
    144,145.14x = 14,109,853,156.45
  5. Step 5: Solve for x
    x = 14,109,853,156.45/144,145.14
  6. Step 6: Final answer
    x = 97,886.43

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1.5x scale

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.