Home / 83,234.45-124,706.35-69,284.16

Finding the Fourth Proportional to 83,234.45, 124,706.35 and 69,284.16

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Solution

The fourth proportional to 83,234.45, 124,706.35 and 69,284.16 is: 103,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,234.45 : 124,706.35 = 69,284.16 : x
  2. Step 2: Convert to fraction form
    83,234.45/124,706.35 = 69,284.16/x
  3. Step 3: Cross multiply
    83,234.45x = 124,706.35 × 69,284.16
  4. Step 4: Simplify right side
    83,234.45x = 8,640,174,793.02
  5. Step 5: Solve for x
    x = 8,640,174,793.02/83,234.45
  6. Step 6: Final answer
    x = 103,805.27

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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.