Home / 140,387.06-210,568.76-60,421.80

Finding the Fourth Proportional to 140,387.06, 210,568.76 and 60,421.80

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Solution

The fourth proportional to 140,387.06, 210,568.76 and 60,421.80 is: 90,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,387.06 : 210,568.76 = 60,421.80 : x
  2. Step 2: Convert to fraction form
    140,387.06/210,568.76 = 60,421.80/x
  3. Step 3: Cross multiply
    140,387.06x = 210,568.76 × 60,421.80
  4. Step 4: Simplify right side
    140,387.06x = 12,722,942,825.49
  5. Step 5: Solve for x
    x = 12,722,942,825.49/140,387.06
  6. Step 6: Final answer
    x = 90,627.60

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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.