Home / 144,006.26-215,990.42-42,802.15

Finding the Fourth Proportional to 144,006.26, 215,990.42 and 42,802.15

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Solution

The fourth proportional to 144,006.26, 215,990.42 and 42,802.15 is: 64,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,006.26 : 215,990.42 = 42,802.15 : x
  2. Step 2: Convert to fraction form
    144,006.26/215,990.42 = 42,802.15/x
  3. Step 3: Cross multiply
    144,006.26x = 215,990.42 × 42,802.15
  4. Step 4: Simplify right side
    144,006.26x = 9,244,853,489.21
  5. Step 5: Solve for x
    x = 9,244,853,489.21/144,006.26
  6. Step 6: Final answer
    x = 64,197.58

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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.