Home / 92,340.79-138,409.66-36,170.43

Finding the Fourth Proportional to 92,340.79, 138,409.66 and 36,170.43

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Solution

The fourth proportional to 92,340.79, 138,409.66 and 36,170.43 is: 54,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,340.79 : 138,409.66 = 36,170.43 : x
  2. Step 2: Convert to fraction form
    92,340.79/138,409.66 = 36,170.43/x
  3. Step 3: Cross multiply
    92,340.79x = 138,409.66 × 36,170.43
  4. Step 4: Simplify right side
    92,340.79x = 5,006,336,444.53
  5. Step 5: Solve for x
    x = 5,006,336,444.53/92,340.79
  6. Step 6: Final answer
    x = 54,215.87

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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.