Home / 156,759.54-216,180.81-120,892.74

Finding the Fourth Proportional to 156,759.54, 216,180.81 and 120,892.74

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Solution

The fourth proportional to 156,759.54, 216,180.81 and 120,892.74 is: 166,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,759.54 : 216,180.81 = 120,892.74 : x
  2. Step 2: Convert to fraction form
    156,759.54/216,180.81 = 120,892.74/x
  3. Step 3: Cross multiply
    156,759.54x = 216,180.81 × 120,892.74
  4. Step 4: Simplify right side
    156,759.54x = 26,134,690,456.32
  5. Step 5: Solve for x
    x = 26,134,690,456.32/156,759.54
  6. Step 6: Final answer
    x = 166,718.34

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1.5x scale

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.