Home / 140,140.74-210,188.52-40,278.18

Finding the Fourth Proportional to 140,140.74, 210,188.52 and 40,278.18

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Solution

The fourth proportional to 140,140.74, 210,188.52 and 40,278.18 is: 60,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,140.74 : 210,188.52 = 40,278.18 : x
  2. Step 2: Convert to fraction form
    140,140.74/210,188.52 = 40,278.18/x
  3. Step 3: Cross multiply
    140,140.74x = 210,188.52 × 40,278.18
  4. Step 4: Simplify right side
    140,140.74x = 8,466,011,042.49
  5. Step 5: Solve for x
    x = 8,466,011,042.49/140,140.74
  6. Step 6: Final answer
    x = 60,410.78

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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.