Home / 131,700.62-181,747.32-71,271.26

Finding the Fourth Proportional to 131,700.62, 181,747.32 and 71,271.26

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Solution

The fourth proportional to 131,700.62, 181,747.32 and 71,271.26 is: 98,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,700.62 : 181,747.32 = 71,271.26 : x
  2. Step 2: Convert to fraction form
    131,700.62/181,747.32 = 71,271.26/x
  3. Step 3: Cross multiply
    131,700.62x = 181,747.32 × 71,271.26
  4. Step 4: Simplify right side
    131,700.62x = 12,953,359,589.29
  5. Step 5: Solve for x
    x = 12,953,359,589.29/131,700.62
  6. Step 6: Final answer
    x = 98,354.58

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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.