Home / 160,288.62-240,454.80-66,772.50

Finding the Fourth Proportional to 160,288.62, 240,454.80 and 66,772.50

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Solution

The fourth proportional to 160,288.62, 240,454.80 and 66,772.50 is: 100,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,288.62 : 240,454.80 = 66,772.50 : x
  2. Step 2: Convert to fraction form
    160,288.62/240,454.80 = 66,772.50/x
  3. Step 3: Cross multiply
    160,288.62x = 240,454.80 × 66,772.50
  4. Step 4: Simplify right side
    160,288.62x = 16,055,768,133
  5. Step 5: Solve for x
    x = 16,055,768,133/160,288.62
  6. Step 6: Final answer
    x = 100,167.86

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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.