Home / 135,343.08-186,951.94-103,900.52

Finding the Fourth Proportional to 135,343.08, 186,951.94 and 103,900.52

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Solution

The fourth proportional to 135,343.08, 186,951.94 and 103,900.52 is: 143,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,343.08 : 186,951.94 = 103,900.52 : x
  2. Step 2: Convert to fraction form
    135,343.08/186,951.94 = 103,900.52/x
  3. Step 3: Cross multiply
    135,343.08x = 186,951.94 × 103,900.52
  4. Step 4: Simplify right side
    135,343.08x = 19,424,403,781.01
  5. Step 5: Solve for x
    x = 19,424,403,781.01/135,343.08
  6. Step 6: Final answer
    x = 143,519.74

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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.