Home / 181,318.07-272,031.43-73,191.76

Finding the Fourth Proportional to 181,318.07, 272,031.43 and 73,191.76

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Solution

The fourth proportional to 181,318.07, 272,031.43 and 73,191.76 is: 109,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,318.07 : 272,031.43 = 73,191.76 : x
  2. Step 2: Convert to fraction form
    181,318.07/272,031.43 = 73,191.76/x
  3. Step 3: Cross multiply
    181,318.07x = 272,031.43 × 73,191.76
  4. Step 4: Simplify right side
    181,318.07x = 19,910,459,137.02
  5. Step 5: Solve for x
    x = 19,910,459,137.02/181,318.07
  6. Step 6: Final answer
    x = 109,809.57

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1.5x scale

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.