Home / 160,340.20-240,596.70-66,855.40

Finding the Fourth Proportional to 160,340.20, 240,596.70 and 66,855.40

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Solution

The fourth proportional to 160,340.20, 240,596.70 and 66,855.40 is: 100,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,340.20 : 240,596.70 = 66,855.40 : x
  2. Step 2: Convert to fraction form
    160,340.20/240,596.70 = 66,855.40/x
  3. Step 3: Cross multiply
    160,340.20x = 240,596.70 × 66,855.40
  4. Step 4: Simplify right side
    160,340.20x = 16,085,188,617.18
  5. Step 5: Solve for x
    x = 16,085,188,617.18/160,340.20
  6. Step 6: Final answer
    x = 100,319.13

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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.