Home / 140,511.28-210,777.92-40,672.97

Finding the Fourth Proportional to 140,511.28, 210,777.92 and 40,672.97

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Solution

The fourth proportional to 140,511.28, 210,777.92 and 40,672.97 is: 61,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,511.28 : 210,777.92 = 40,672.97 : x
  2. Step 2: Convert to fraction form
    140,511.28/210,777.92 = 40,672.97/x
  3. Step 3: Cross multiply
    140,511.28x = 210,777.92 × 40,672.97
  4. Step 4: Simplify right side
    140,511.28x = 8,572,963,813.46
  5. Step 5: Solve for x
    x = 8,572,963,813.46/140,511.28
  6. Step 6: Final answer
    x = 61,012.64

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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.