Home / 140,843.79-211,123.53-88,290.18

Finding the Fourth Proportional to 140,843.79, 211,123.53 and 88,290.18

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Solution

The fourth proportional to 140,843.79, 211,123.53 and 88,290.18 is: 132,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,843.79 : 211,123.53 = 88,290.18 : x
  2. Step 2: Convert to fraction form
    140,843.79/211,123.53 = 88,290.18/x
  3. Step 3: Cross multiply
    140,843.79x = 211,123.53 × 88,290.18
  4. Step 4: Simplify right side
    140,843.79x = 18,640,134,465.94
  5. Step 5: Solve for x
    x = 18,640,134,465.94/140,843.79
  6. Step 6: Final answer
    x = 132,346.16

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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.