Home / 144,044.46-215,919-55,274.13

Finding the Fourth Proportional to 144,044.46, 215,919 and 55,274.13

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Solution

The fourth proportional to 144,044.46, 215,919 and 55,274.13 is: 82,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,044.46 : 215,919 = 55,274.13 : x
  2. Step 2: Convert to fraction form
    144,044.46/215,919 = 55,274.13/x
  3. Step 3: Cross multiply
    144,044.46x = 215,919 × 55,274.13
  4. Step 4: Simplify right side
    144,044.46x = 11,934,734,875.47
  5. Step 5: Solve for x
    x = 11,934,734,875.47/144,044.46
  6. Step 6: Final answer
    x = 82,854.52

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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.