Home / 120,938.18-181,407.68-36,699.06

Finding the Fourth Proportional to 120,938.18, 181,407.68 and 36,699.06

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Solution

The fourth proportional to 120,938.18, 181,407.68 and 36,699.06 is: 55,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,938.18 : 181,407.68 = 36,699.06 : x
  2. Step 2: Convert to fraction form
    120,938.18/181,407.68 = 36,699.06/x
  3. Step 3: Cross multiply
    120,938.18x = 181,407.68 × 36,699.06
  4. Step 4: Simplify right side
    120,938.18x = 6,657,491,332.78
  5. Step 5: Solve for x
    x = 6,657,491,332.78/120,938.18
  6. Step 6: Final answer
    x = 55,048.71

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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.