Home / 211,902.96-292,502.85-140,306.04

Finding the Fourth Proportional to 211,902.96, 292,502.85 and 140,306.04

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Solution

The fourth proportional to 211,902.96, 292,502.85 and 140,306.04 is: 193,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,902.96 : 292,502.85 = 140,306.04 : x
  2. Step 2: Convert to fraction form
    211,902.96/292,502.85 = 140,306.04/x
  3. Step 3: Cross multiply
    211,902.96x = 292,502.85 × 140,306.04
  4. Step 4: Simplify right side
    211,902.96x = 41,039,916,572.21
  5. Step 5: Solve for x
    x = 41,039,916,572.21/211,902.96
  6. Step 6: Final answer
    x = 193,673.16

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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.