Home / 144,025.80-215,856.45-55,160.70

Finding the Fourth Proportional to 144,025.80, 215,856.45 and 55,160.70

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Solution

The fourth proportional to 144,025.80, 215,856.45 and 55,160.70 is: 82,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,025.80 : 215,856.45 = 55,160.70 : x
  2. Step 2: Convert to fraction form
    144,025.80/215,856.45 = 55,160.70/x
  3. Step 3: Cross multiply
    144,025.80x = 215,856.45 × 55,160.70
  4. Step 4: Simplify right side
    144,025.80x = 11,906,792,881.52
  5. Step 5: Solve for x
    x = 11,906,792,881.52/144,025.80
  6. Step 6: Final answer
    x = 82,671.25

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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.