Home / 134,271.86-185,280.81-77,672.66

Finding the Fourth Proportional to 134,271.86, 185,280.81 and 77,672.66

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Solution

The fourth proportional to 134,271.86, 185,280.81 and 77,672.66 is: 107,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,271.86 : 185,280.81 = 77,672.66 : x
  2. Step 2: Convert to fraction form
    134,271.86/185,280.81 = 77,672.66/x
  3. Step 3: Cross multiply
    134,271.86x = 185,280.81 × 77,672.66
  4. Step 4: Simplify right side
    134,271.86x = 14,391,253,359.65
  5. Step 5: Solve for x
    x = 14,391,253,359.65/134,271.86
  6. Step 6: Final answer
    x = 107,179.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.