Home / 215,152.40-296,972.84-143,532.25

Finding the Fourth Proportional to 215,152.40, 296,972.84 and 143,532.25

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Solution

The fourth proportional to 215,152.40, 296,972.84 and 143,532.25 is: 198,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,152.40 : 296,972.84 = 143,532.25 : x
  2. Step 2: Convert to fraction form
    215,152.40/296,972.84 = 143,532.25/x
  3. Step 3: Cross multiply
    215,152.40x = 296,972.84 × 143,532.25
  4. Step 4: Simplify right side
    215,152.40x = 42,625,179,530.49
  5. Step 5: Solve for x
    x = 42,625,179,530.49/215,152.40
  6. Step 6: Final answer
    x = 198,116.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.