Home / 160,256.88-240,604.02-81,426.87

Finding the Fourth Proportional to 160,256.88, 240,604.02 and 81,426.87

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Solution

The fourth proportional to 160,256.88, 240,604.02 and 81,426.87 is: 122,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,256.88 : 240,604.02 = 81,426.87 : x
  2. Step 2: Convert to fraction form
    160,256.88/240,604.02 = 81,426.87/x
  3. Step 3: Cross multiply
    160,256.88x = 240,604.02 × 81,426.87
  4. Step 4: Simplify right side
    160,256.88x = 19,591,632,258.02
  5. Step 5: Solve for x
    x = 19,591,632,258.02/160,256.88
  6. Step 6: Final answer
    x = 122,251.43

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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.