Home / 144,657.06-216,797.08-80,612.65

Finding the Fourth Proportional to 144,657.06, 216,797.08 and 80,612.65

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Solution

The fourth proportional to 144,657.06, 216,797.08 and 80,612.65 is: 120,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,657.06 : 216,797.08 = 80,612.65 : x
  2. Step 2: Convert to fraction form
    144,657.06/216,797.08 = 80,612.65/x
  3. Step 3: Cross multiply
    144,657.06x = 216,797.08 × 80,612.65
  4. Step 4: Simplify right side
    144,657.06x = 17,476,587,131.06
  5. Step 5: Solve for x
    x = 17,476,587,131.06/144,657.06
  6. Step 6: Final answer
    x = 120,813.92

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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.