Home / 140,248.80-210,474.69-54,872.28

Finding the Fourth Proportional to 140,248.80, 210,474.69 and 54,872.28

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Solution

The fourth proportional to 140,248.80, 210,474.69 and 54,872.28 is: 82,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248.80 : 210,474.69 = 54,872.28 : x
  2. Step 2: Convert to fraction form
    140,248.80/210,474.69 = 54,872.28/x
  3. Step 3: Cross multiply
    140,248.80x = 210,474.69 × 54,872.28
  4. Step 4: Simplify right side
    140,248.80x = 11,549,226,122.59
  5. Step 5: Solve for x
    x = 11,549,226,122.59/140,248.80
  6. Step 6: Final answer
    x = 82,348.13

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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.