Home / 91,330.10-136,930.35-41,434.10

Finding the Fourth Proportional to 91,330.10, 136,930.35 and 41,434.10

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Solution

The fourth proportional to 91,330.10, 136,930.35 and 41,434.10 is: 62,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.10 : 136,930.35 = 41,434.10 : x
  2. Step 2: Convert to fraction form
    91,330.10/136,930.35 = 41,434.10/x
  3. Step 3: Cross multiply
    91,330.10x = 136,930.35 × 41,434.10
  4. Step 4: Simplify right side
    91,330.10x = 5,673,585,814.94
  5. Step 5: Solve for x
    x = 5,673,585,814.94/91,330.10
  6. Step 6: Final answer
    x = 62,121.75

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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.