Home / 181,834.12-272,818.14-76,642.12

Finding the Fourth Proportional to 181,834.12, 272,818.14 and 76,642.12

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Solution

The fourth proportional to 181,834.12, 272,818.14 and 76,642.12 is: 114,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,834.12 : 272,818.14 = 76,642.12 : x
  2. Step 2: Convert to fraction form
    181,834.12/272,818.14 = 76,642.12/x
  3. Step 3: Cross multiply
    181,834.12x = 272,818.14 × 76,642.12
  4. Step 4: Simplify right side
    181,834.12x = 20,909,360,624.06
  5. Step 5: Solve for x
    x = 20,909,360,624.06/181,834.12
  6. Step 6: Final answer
    x = 114,991.40

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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.