Home / 87,146.67-130,756.91-47,657.65

Finding the Fourth Proportional to 87,146.67, 130,756.91 and 47,657.65

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Solution

The fourth proportional to 87,146.67, 130,756.91 and 47,657.65 is: 71,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,146.67 : 130,756.91 = 47,657.65 : x
  2. Step 2: Convert to fraction form
    87,146.67/130,756.91 = 47,657.65/x
  3. Step 3: Cross multiply
    87,146.67x = 130,756.91 × 47,657.65
  4. Step 4: Simplify right side
    87,146.67x = 6,231,567,051.86
  5. Step 5: Solve for x
    x = 6,231,567,051.86/87,146.67
  6. Step 6: Final answer
    x = 71,506.66

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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.