Home / 83,214.85-124,809.97-30,612.03

Finding the Fourth Proportional to 83,214.85, 124,809.97 and 30,612.03

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Solution

The fourth proportional to 83,214.85, 124,809.97 and 30,612.03 is: 45,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,214.85 : 124,809.97 = 30,612.03 : x
  2. Step 2: Convert to fraction form
    83,214.85/124,809.97 = 30,612.03/x
  3. Step 3: Cross multiply
    83,214.85x = 124,809.97 × 30,612.03
  4. Step 4: Simplify right side
    83,214.85x = 3,820,686,545.94
  5. Step 5: Solve for x
    x = 3,820,686,545.94/83,214.85
  6. Step 6: Final answer
    x = 45,913.52

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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.