Home / 166,869.93-230,279.15-90,387.26

Finding the Fourth Proportional to 166,869.93, 230,279.15 and 90,387.26

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Solution

The fourth proportional to 166,869.93, 230,279.15 and 90,387.26 is: 124,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,869.93 : 230,279.15 = 90,387.26 : x
  2. Step 2: Convert to fraction form
    166,869.93/230,279.15 = 90,387.26/x
  3. Step 3: Cross multiply
    166,869.93x = 230,279.15 × 90,387.26
  4. Step 4: Simplify right side
    166,869.93x = 20,814,299,800.30
  5. Step 5: Solve for x
    x = 20,814,299,800.30/166,869.93
  6. Step 6: Final answer
    x = 124,733.68

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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.