Home / 156,251.04-234,219.84-77,422.56

Finding the Fourth Proportional to 156,251.04, 234,219.84 and 77,422.56

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Solution

The fourth proportional to 156,251.04, 234,219.84 and 77,422.56 is: 116,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,251.04 : 234,219.84 = 77,422.56 : x
  2. Step 2: Convert to fraction form
    156,251.04/234,219.84 = 77,422.56/x
  3. Step 3: Cross multiply
    156,251.04x = 234,219.84 × 77,422.56
  4. Step 4: Simplify right side
    156,251.04x = 18,133,899,615.59
  5. Step 5: Solve for x
    x = 18,133,899,615.59/156,251.04
  6. Step 6: Final answer
    x = 116,056.19

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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.