Home / 160,200.24-240,336.80-85,280.90

Finding the Fourth Proportional to 160,200.24, 240,336.80 and 85,280.90

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Solution

The fourth proportional to 160,200.24, 240,336.80 and 85,280.90 is: 127,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,200.24 : 240,336.80 = 85,280.90 : x
  2. Step 2: Convert to fraction form
    160,200.24/240,336.80 = 85,280.90/x
  3. Step 3: Cross multiply
    160,200.24x = 240,336.80 × 85,280.90
  4. Step 4: Simplify right side
    160,200.24x = 20,496,138,607.12
  5. Step 5: Solve for x
    x = 20,496,138,607.12/160,200.24
  6. Step 6: Final answer
    x = 127,940.75

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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.