Home / 156,454.14-216,084.93-106,065.66

Finding the Fourth Proportional to 156,454.14, 216,084.93 and 106,065.66

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Solution

The fourth proportional to 156,454.14, 216,084.93 and 106,065.66 is: 146,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,454.14 : 216,084.93 = 106,065.66 : x
  2. Step 2: Convert to fraction form
    156,454.14/216,084.93 = 106,065.66/x
  3. Step 3: Cross multiply
    156,454.14x = 216,084.93 × 106,065.66
  4. Step 4: Simplify right side
    156,454.14x = 22,919,190,716.50
  5. Step 5: Solve for x
    x = 22,919,190,716.50/156,454.14
  6. Step 6: Final answer
    x = 146,491.43

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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.