Home / 120,681.54-166,740.77-95,381.90

Finding the Fourth Proportional to 120,681.54, 166,740.77 and 95,381.90

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Solution

The fourth proportional to 120,681.54, 166,740.77 and 95,381.90 is: 131,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,681.54 : 166,740.77 = 95,381.90 : x
  2. Step 2: Convert to fraction form
    120,681.54/166,740.77 = 95,381.90/x
  3. Step 3: Cross multiply
    120,681.54x = 166,740.77 × 95,381.90
  4. Step 4: Simplify right side
    120,681.54x = 15,904,050,340.48
  5. Step 5: Solve for x
    x = 15,904,050,340.48/120,681.54
  6. Step 6: Final answer
    x = 131,785.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.