Home / 91,255.57-136,883.37-34,340.19

Finding the Fourth Proportional to 91,255.57, 136,883.37 and 34,340.19

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Solution

The fourth proportional to 91,255.57, 136,883.37 and 34,340.19 is: 51,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.57 : 136,883.37 = 34,340.19 : x
  2. Step 2: Convert to fraction form
    91,255.57/136,883.37 = 34,340.19/x
  3. Step 3: Cross multiply
    91,255.57x = 136,883.37 × 34,340.19
  4. Step 4: Simplify right side
    91,255.57x = 4,700,600,933.64
  5. Step 5: Solve for x
    x = 4,700,600,933.64/91,255.57
  6. Step 6: Final answer
    x = 51,510.29

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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.