Home / 90,676.29-136,041.63-36,613.15

Finding the Fourth Proportional to 90,676.29, 136,041.63 and 36,613.15

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Solution

The fourth proportional to 90,676.29, 136,041.63 and 36,613.15 is: 54,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.29 : 136,041.63 = 36,613.15 : x
  2. Step 2: Convert to fraction form
    90,676.29/136,041.63 = 36,613.15/x
  3. Step 3: Cross multiply
    90,676.29x = 136,041.63 × 36,613.15
  4. Step 4: Simplify right side
    90,676.29x = 4,980,912,128.03
  5. Step 5: Solve for x
    x = 4,980,912,128.03/90,676.29
  6. Step 6: Final answer
    x = 54,930.70

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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.