Home / 120,938.20-181,407.66-36,699.04

Finding the Fourth Proportional to 120,938.20, 181,407.66 and 36,699.04

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Solution

The fourth proportional to 120,938.20, 181,407.66 and 36,699.04 is: 55,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,938.20 : 181,407.66 = 36,699.04 : x
  2. Step 2: Convert to fraction form
    120,938.20/181,407.66 = 36,699.04/x
  3. Step 3: Cross multiply
    120,938.20x = 181,407.66 × 36,699.04
  4. Step 4: Simplify right side
    120,938.20x = 6,657,486,970.65
  5. Step 5: Solve for x
    x = 6,657,486,970.65/120,938.20
  6. Step 6: Final answer
    x = 55,048.67

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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.