Home / 134,960.24-186,294.84-81,247.76

Finding the Fourth Proportional to 134,960.24, 186,294.84 and 81,247.76

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Solution

The fourth proportional to 134,960.24, 186,294.84 and 81,247.76 is: 112,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,960.24 : 186,294.84 = 81,247.76 : x
  2. Step 2: Convert to fraction form
    134,960.24/186,294.84 = 81,247.76/x
  3. Step 3: Cross multiply
    134,960.24x = 186,294.84 × 81,247.76
  4. Step 4: Simplify right side
    134,960.24x = 15,136,038,449.56
  5. Step 5: Solve for x
    x = 15,136,038,449.56/134,960.24
  6. Step 6: Final answer
    x = 112,151.83

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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.