Home / 140,454.38-210,764.74-51,770.18

Finding the Fourth Proportional to 140,454.38, 210,764.74 and 51,770.18

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Solution

The fourth proportional to 140,454.38, 210,764.74 and 51,770.18 is: 77,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.38 : 210,764.74 = 51,770.18 : x
  2. Step 2: Convert to fraction form
    140,454.38/210,764.74 = 51,770.18/x
  3. Step 3: Cross multiply
    140,454.38x = 210,764.74 × 51,770.18
  4. Step 4: Simplify right side
    140,454.38x = 10,911,328,527.45
  5. Step 5: Solve for x
    x = 10,911,328,527.45/140,454.38
  6. Step 6: Final answer
    x = 77,685.93

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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.