Home / 172,384.10-258,576.15-88,111.70

Finding the Fourth Proportional to 172,384.10, 258,576.15 and 88,111.70

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Solution

The fourth proportional to 172,384.10, 258,576.15 and 88,111.70 is: 132,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,384.10 : 258,576.15 = 88,111.70 : x
  2. Step 2: Convert to fraction form
    172,384.10/258,576.15 = 88,111.70/x
  3. Step 3: Cross multiply
    172,384.10x = 258,576.15 × 88,111.70
  4. Step 4: Simplify right side
    172,384.10x = 22,783,584,155.96
  5. Step 5: Solve for x
    x = 22,783,584,155.96/172,384.10
  6. Step 6: Final answer
    x = 132,167.55

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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.