Home / 148,189.85-204,506.96-90,818.09

Finding the Fourth Proportional to 148,189.85, 204,506.96 and 90,818.09

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Solution

The fourth proportional to 148,189.85, 204,506.96 and 90,818.09 is: 125,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,189.85 : 204,506.96 = 90,818.09 : x
  2. Step 2: Convert to fraction form
    148,189.85/204,506.96 = 90,818.09/x
  3. Step 3: Cross multiply
    148,189.85x = 204,506.96 × 90,818.09
  4. Step 4: Simplify right side
    148,189.85x = 18,572,930,789.18
  5. Step 5: Solve for x
    x = 18,572,930,789.18/148,189.85
  6. Step 6: Final answer
    x = 125,332.00

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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.