Home / 134,878.60-202,145.10-120,017.80

Finding the Fourth Proportional to 134,878.60, 202,145.10 and 120,017.80

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Solution

The fourth proportional to 134,878.60, 202,145.10 and 120,017.80 is: 179,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,878.60 : 202,145.10 = 120,017.80 : x
  2. Step 2: Convert to fraction form
    134,878.60/202,145.10 = 120,017.80/x
  3. Step 3: Cross multiply
    134,878.60x = 202,145.10 × 120,017.80
  4. Step 4: Simplify right side
    134,878.60x = 24,261,010,182.78
  5. Step 5: Solve for x
    x = 24,261,010,182.78/134,878.60
  6. Step 6: Final answer
    x = 179,872.94

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1.5x scale

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.