Home / 250,424.57-345,585.10-135,703.66

Finding the Fourth Proportional to 250,424.57, 345,585.10 and 135,703.66

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Solution

The fourth proportional to 250,424.57, 345,585.10 and 135,703.66 is: 187,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,424.57 : 345,585.10 = 135,703.66 : x
  2. Step 2: Convert to fraction form
    250,424.57/345,585.10 = 135,703.66/x
  3. Step 3: Cross multiply
    250,424.57x = 345,585.10 × 135,703.66
  4. Step 4: Simplify right side
    250,424.57x = 46,897,162,911.47
  5. Step 5: Solve for x
    x = 46,897,162,911.47/250,424.57
  6. Step 6: Final answer
    x = 187,270.62

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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.