Home / 103,521.64-142,884.90-96,517.48

Finding the Fourth Proportional to 103,521.64, 142,884.90 and 96,517.48

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Solution

The fourth proportional to 103,521.64, 142,884.90 and 96,517.48 is: 133,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521.64 : 142,884.90 = 96,517.48 : x
  2. Step 2: Convert to fraction form
    103,521.64/142,884.90 = 96,517.48/x
  3. Step 3: Cross multiply
    103,521.64x = 142,884.90 × 96,517.48
  4. Step 4: Simplify right side
    103,521.64x = 13,790,890,478.05
  5. Step 5: Solve for x
    x = 13,790,890,478.05/103,521.64
  6. Step 6: Final answer
    x = 133,217.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.