Home / 131,514.66-181,501.29-80,527.14

Finding the Fourth Proportional to 131,514.66, 181,501.29 and 80,527.14

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Solution

The fourth proportional to 131,514.66, 181,501.29 and 80,527.14 is: 111,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,514.66 : 181,501.29 = 80,527.14 : x
  2. Step 2: Convert to fraction form
    131,514.66/181,501.29 = 80,527.14/x
  3. Step 3: Cross multiply
    131,514.66x = 181,501.29 × 80,527.14
  4. Step 4: Simplify right side
    131,514.66x = 14,615,779,790.01
  5. Step 5: Solve for x
    x = 14,615,779,790.01/131,514.66
  6. Step 6: Final answer
    x = 111,134.22

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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.