Home / 172,437.17-258,666.69-54,113.18

Finding the Fourth Proportional to 172,437.17, 258,666.69 and 54,113.18

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Solution

The fourth proportional to 172,437.17, 258,666.69 and 54,113.18 is: 81,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,437.17 : 258,666.69 = 54,113.18 : x
  2. Step 2: Convert to fraction form
    172,437.17/258,666.69 = 54,113.18/x
  3. Step 3: Cross multiply
    172,437.17x = 258,666.69 × 54,113.18
  4. Step 4: Simplify right side
    172,437.17x = 13,997,277,155.97
  5. Step 5: Solve for x
    x = 13,997,277,155.97/172,437.17
  6. Step 6: Final answer
    x = 81,173.20

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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.