Home / 156,780.22-235,209.40-45,972.22

Finding the Fourth Proportional to 156,780.22, 235,209.40 and 45,972.22

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Solution

The fourth proportional to 156,780.22, 235,209.40 and 45,972.22 is: 68,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780.22 : 235,209.40 = 45,972.22 : x
  2. Step 2: Convert to fraction form
    156,780.22/235,209.40 = 45,972.22/x
  3. Step 3: Cross multiply
    156,780.22x = 235,209.40 × 45,972.22
  4. Step 4: Simplify right side
    156,780.22x = 10,813,098,282.87
  5. Step 5: Solve for x
    x = 10,813,098,282.87/156,780.22
  6. Step 6: Final answer
    x = 68,969.79

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1.5x scale

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.