Home / 140,506.28-210,711.80-45,713.04

Finding the Fourth Proportional to 140,506.28, 210,711.80 and 45,713.04

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Solution

The fourth proportional to 140,506.28, 210,711.80 and 45,713.04 is: 68,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,506.28 : 210,711.80 = 45,713.04 : x
  2. Step 2: Convert to fraction form
    140,506.28/210,711.80 = 45,713.04/x
  3. Step 3: Cross multiply
    140,506.28x = 210,711.80 × 45,713.04
  4. Step 4: Simplify right side
    140,506.28x = 9,632,276,713.31
  5. Step 5: Solve for x
    x = 9,632,276,713.31/140,506.28
  6. Step 6: Final answer
    x = 68,554.07

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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.