Home / 181,723.12-272,628.40-76,572.16

Finding the Fourth Proportional to 181,723.12, 272,628.40 and 76,572.16

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Solution

The fourth proportional to 181,723.12, 272,628.40 and 76,572.16 is: 114,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,723.12 : 272,628.40 = 76,572.16 : x
  2. Step 2: Convert to fraction form
    181,723.12/272,628.40 = 76,572.16/x
  3. Step 3: Cross multiply
    181,723.12x = 272,628.40 × 76,572.16
  4. Step 4: Simplify right side
    181,723.12x = 20,875,745,465.34
  5. Step 5: Solve for x
    x = 20,875,745,465.34/181,723.12
  6. Step 6: Final answer
    x = 114,876.66

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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.