Home / 156,744.06-216,372.99-105,825.75

Finding the Fourth Proportional to 156,744.06, 216,372.99 and 105,825.75

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Solution

The fourth proportional to 156,744.06, 216,372.99 and 105,825.75 is: 146,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.06 : 216,372.99 = 105,825.75 : x
  2. Step 2: Convert to fraction form
    156,744.06/216,372.99 = 105,825.75/x
  3. Step 3: Cross multiply
    156,744.06x = 216,372.99 × 105,825.75
  4. Step 4: Simplify right side
    156,744.06x = 22,897,833,946.49
  5. Step 5: Solve for x
    x = 22,897,833,946.49/156,744.06
  6. Step 6: Final answer
    x = 146,084.22

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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.