Home / 109,711.04-151,401.24-61,967.48

Finding the Fourth Proportional to 109,711.04, 151,401.24 and 61,967.48

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Solution

The fourth proportional to 109,711.04, 151,401.24 and 61,967.48 is: 85,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,711.04 : 151,401.24 = 61,967.48 : x
  2. Step 2: Convert to fraction form
    109,711.04/151,401.24 = 61,967.48/x
  3. Step 3: Cross multiply
    109,711.04x = 151,401.24 × 61,967.48
  4. Step 4: Simplify right side
    109,711.04x = 9,381,953,311.68
  5. Step 5: Solve for x
    x = 9,381,953,311.68/109,711.04
  6. Step 6: Final answer
    x = 85,515.13

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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.