Home / 181,426.72-272,178.88-76,191.52

Finding the Fourth Proportional to 181,426.72, 272,178.88 and 76,191.52

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Solution

The fourth proportional to 181,426.72, 272,178.88 and 76,191.52 is: 114,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,426.72 : 272,178.88 = 76,191.52 : x
  2. Step 2: Convert to fraction form
    181,426.72/272,178.88 = 76,191.52/x
  3. Step 3: Cross multiply
    181,426.72x = 272,178.88 × 76,191.52
  4. Step 4: Simplify right side
    181,426.72x = 20,737,722,579.10
  5. Step 5: Solve for x
    x = 20,737,722,579.10/181,426.72
  6. Step 6: Final answer
    x = 114,303.57

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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.