Home / 253,861.20-350,342.40-140,681.52

Finding the Fourth Proportional to 253,861.20, 350,342.40 and 140,681.52

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Solution

The fourth proportional to 253,861.20, 350,342.40 and 140,681.52 is: 194,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,861.20 : 350,342.40 = 140,681.52 : x
  2. Step 2: Convert to fraction form
    253,861.20/350,342.40 = 140,681.52/x
  3. Step 3: Cross multiply
    253,861.20x = 350,342.40 × 140,681.52
  4. Step 4: Simplify right side
    253,861.20x = 49,286,701,352.45
  5. Step 5: Solve for x
    x = 49,286,701,352.45/253,861.20
  6. Step 6: Final answer
    x = 194,148.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.