Home / 253,404.42-349,701.21-140,237.70

Finding the Fourth Proportional to 253,404.42, 349,701.21 and 140,237.70

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Solution

The fourth proportional to 253,404.42, 349,701.21 and 140,237.70 is: 193,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,404.42 : 349,701.21 = 140,237.70 : x
  2. Step 2: Convert to fraction form
    253,404.42/349,701.21 = 140,237.70/x
  3. Step 3: Cross multiply
    253,404.42x = 349,701.21 × 140,237.70
  4. Step 4: Simplify right side
    253,404.42x = 49,041,293,377.62
  5. Step 5: Solve for x
    x = 49,041,293,377.62/253,404.42
  6. Step 6: Final answer
    x = 193,529.75

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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.