Home / 140,152.56-210,197.28-40,290.48

Finding the Fourth Proportional to 140,152.56, 210,197.28 and 40,290.48

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Solution

The fourth proportional to 140,152.56, 210,197.28 and 40,290.48 is: 60,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,152.56 : 210,197.28 = 40,290.48 : x
  2. Step 2: Convert to fraction form
    140,152.56/210,197.28 = 40,290.48/x
  3. Step 3: Cross multiply
    140,152.56x = 210,197.28 × 40,290.48
  4. Step 4: Simplify right side
    140,152.56x = 8,468,949,305.89
  5. Step 5: Solve for x
    x = 8,468,949,305.89/140,152.56
  6. Step 6: Final answer
    x = 60,426.65

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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.