Home / 257,126.32-385,545.04-176,164.72

Finding the Fourth Proportional to 257,126.32, 385,545.04 and 176,164.72

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Solution

The fourth proportional to 257,126.32, 385,545.04 and 176,164.72 is: 264,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,126.32 : 385,545.04 = 176,164.72 : x
  2. Step 2: Convert to fraction form
    257,126.32/385,545.04 = 176,164.72/x
  3. Step 3: Cross multiply
    257,126.32x = 385,545.04 × 176,164.72
  4. Step 4: Simplify right side
    257,126.32x = 67,919,434,018.99
  5. Step 5: Solve for x
    x = 67,919,434,018.99/257,126.32
  6. Step 6: Final answer
    x = 264,148.12

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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.