Home / 90,846.19-136,269.33-40,867.91

Finding the Fourth Proportional to 90,846.19, 136,269.33 and 40,867.91

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Solution

The fourth proportional to 90,846.19, 136,269.33 and 40,867.91 is: 61,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846.19 : 136,269.33 = 40,867.91 : x
  2. Step 2: Convert to fraction form
    90,846.19/136,269.33 = 40,867.91/x
  3. Step 3: Cross multiply
    90,846.19x = 136,269.33 × 40,867.91
  4. Step 4: Simplify right side
    90,846.19x = 5,569,042,714.20
  5. Step 5: Solve for x
    x = 5,569,042,714.20/90,846.19
  6. Step 6: Final answer
    x = 61,301.89

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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.