Home / 85,306.86-127,979.01-26,146.98

Finding the Fourth Proportional to 85,306.86, 127,979.01 and 26,146.98

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Solution

The fourth proportional to 85,306.86, 127,979.01 and 26,146.98 is: 39,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306.86 : 127,979.01 = 26,146.98 : x
  2. Step 2: Convert to fraction form
    85,306.86/127,979.01 = 26,146.98/x
  3. Step 3: Cross multiply
    85,306.86x = 127,979.01 × 26,146.98
  4. Step 4: Simplify right side
    85,306.86x = 3,346,264,614.89
  5. Step 5: Solve for x
    x = 3,346,264,614.89/85,306.86
  6. Step 6: Final answer
    x = 39,226.21

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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.