Home / 253,319.44-349,561.56-140,139.76

Finding the Fourth Proportional to 253,319.44, 349,561.56 and 140,139.76

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Solution

The fourth proportional to 253,319.44, 349,561.56 and 140,139.76 is: 193,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,319.44 : 349,561.56 = 140,139.76 : x
  2. Step 2: Convert to fraction form
    253,319.44/349,561.56 = 140,139.76/x
  3. Step 3: Cross multiply
    253,319.44x = 349,561.56 × 140,139.76
  4. Step 4: Simplify right side
    253,319.44x = 48,987,473,123.63
  5. Step 5: Solve for x
    x = 48,987,473,123.63/253,319.44
  6. Step 6: Final answer
    x = 193,382.21

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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.