Home / 123,426.39-185,120.65-39,175.63

Finding the Fourth Proportional to 123,426.39, 185,120.65 and 39,175.63

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Solution

The fourth proportional to 123,426.39, 185,120.65 and 39,175.63 is: 58,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.39 : 185,120.65 = 39,175.63 : x
  2. Step 2: Convert to fraction form
    123,426.39/185,120.65 = 39,175.63/x
  3. Step 3: Cross multiply
    123,426.39x = 185,120.65 × 39,175.63
  4. Step 4: Simplify right side
    123,426.39x = 7,252,218,089.76
  5. Step 5: Solve for x
    x = 7,252,218,089.76/123,426.39
  6. Step 6: Final answer
    x = 58,757.44

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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.