Home / 92,191.72-138,341.36-38,880.42

Finding the Fourth Proportional to 92,191.72, 138,341.36 and 38,880.42

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Solution

The fourth proportional to 92,191.72, 138,341.36 and 38,880.42 is: 58,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,191.72 : 138,341.36 = 38,880.42 : x
  2. Step 2: Convert to fraction form
    92,191.72/138,341.36 = 38,880.42/x
  3. Step 3: Cross multiply
    92,191.72x = 138,341.36 × 38,880.42
  4. Step 4: Simplify right side
    92,191.72x = 5,378,769,294.06
  5. Step 5: Solve for x
    x = 5,378,769,294.06/92,191.72
  6. Step 6: Final answer
    x = 58,343.30

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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.