Home / 120,938.10-181,407.55-36,698.96

Finding the Fourth Proportional to 120,938.10, 181,407.55 and 36,698.96

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Solution

The fourth proportional to 120,938.10, 181,407.55 and 36,698.96 is: 55,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,938.10 : 181,407.55 = 36,698.96 : x
  2. Step 2: Convert to fraction form
    120,938.10/181,407.55 = 36,698.96/x
  3. Step 3: Cross multiply
    120,938.10x = 181,407.55 × 36,698.96
  4. Step 4: Simplify right side
    120,938.10x = 6,657,468,421.15
  5. Step 5: Solve for x
    x = 6,657,468,421.15/120,938.10
  6. Step 6: Final answer
    x = 55,048.56

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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.