Home / 257,127.32-385,546.54-176,165.72

Finding the Fourth Proportional to 257,127.32, 385,546.54 and 176,165.72

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Solution

The fourth proportional to 257,127.32, 385,546.54 and 176,165.72 is: 264,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,127.32 : 385,546.54 = 176,165.72 : x
  2. Step 2: Convert to fraction form
    257,127.32/385,546.54 = 176,165.72/x
  3. Step 3: Cross multiply
    257,127.32x = 385,546.54 × 176,165.72
  4. Step 4: Simplify right side
    257,127.32x = 67,920,083,812.61
  5. Step 5: Solve for x
    x = 67,920,083,812.61/257,127.32
  6. Step 6: Final answer
    x = 264,149.62

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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.