Home / 120,746.66-181,146.84-39,697.34

Finding the Fourth Proportional to 120,746.66, 181,146.84 and 39,697.34

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Solution

The fourth proportional to 120,746.66, 181,146.84 and 39,697.34 is: 59,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,746.66 : 181,146.84 = 39,697.34 : x
  2. Step 2: Convert to fraction form
    120,746.66/181,146.84 = 39,697.34/x
  3. Step 3: Cross multiply
    120,746.66x = 181,146.84 × 39,697.34
  4. Step 4: Simplify right side
    120,746.66x = 7,191,046,791.67
  5. Step 5: Solve for x
    x = 7,191,046,791.67/120,746.66
  6. Step 6: Final answer
    x = 59,554.83

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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.