Home / 160,420.73-240,548.02-85,520.75

Finding the Fourth Proportional to 160,420.73, 240,548.02 and 85,520.75

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Solution

The fourth proportional to 160,420.73, 240,548.02 and 85,520.75 is: 128,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,420.73 : 240,548.02 = 85,520.75 : x
  2. Step 2: Convert to fraction form
    160,420.73/240,548.02 = 85,520.75/x
  3. Step 3: Cross multiply
    160,420.73x = 240,548.02 × 85,520.75
  4. Step 4: Simplify right side
    160,420.73x = 20,571,845,664.87
  5. Step 5: Solve for x
    x = 20,571,845,664.87/160,420.73
  6. Step 6: Final answer
    x = 128,236.83

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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.