Home / 240,581.40-331,965.33-138,586.93

Finding the Fourth Proportional to 240,581.40, 331,965.33 and 138,586.93

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Solution

The fourth proportional to 240,581.40, 331,965.33 and 138,586.93 is: 191,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,581.40 : 331,965.33 = 138,586.93 : x
  2. Step 2: Convert to fraction form
    240,581.40/331,965.33 = 138,586.93/x
  3. Step 3: Cross multiply
    240,581.40x = 331,965.33 × 138,586.93
  4. Step 4: Simplify right side
    240,581.40x = 46,006,055,951.14
  5. Step 5: Solve for x
    x = 46,006,055,951.14/240,581.40
  6. Step 6: Final answer
    x = 191,228.65

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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.