Home / 150,463.17-207,636.35-82,478.25

Finding the Fourth Proportional to 150,463.17, 207,636.35 and 82,478.25

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Solution

The fourth proportional to 150,463.17, 207,636.35 and 82,478.25 is: 113,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,463.17 : 207,636.35 = 82,478.25 : x
  2. Step 2: Convert to fraction form
    150,463.17/207,636.35 = 82,478.25/x
  3. Step 3: Cross multiply
    150,463.17x = 207,636.35 × 82,478.25
  4. Step 4: Simplify right side
    150,463.17x = 17,125,482,372.00
  5. Step 5: Solve for x
    x = 17,125,482,372.00/150,463.17
  6. Step 6: Final answer
    x = 113,818.43

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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.