Home / 160,235.40-240,280.20-85,336.32

Finding the Fourth Proportional to 160,235.40, 240,280.20 and 85,336.32

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Solution

The fourth proportional to 160,235.40, 240,280.20 and 85,336.32 is: 127,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,235.40 : 240,280.20 = 85,336.32 : x
  2. Step 2: Convert to fraction form
    160,235.40/240,280.20 = 85,336.32/x
  3. Step 3: Cross multiply
    160,235.40x = 240,280.20 × 85,336.32
  4. Step 4: Simplify right side
    160,235.40x = 20,504,628,036.86
  5. Step 5: Solve for x
    x = 20,504,628,036.86/160,235.40
  6. Step 6: Final answer
    x = 127,965.66

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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.