Home / 135,038.26-186,352.80-75,422.26

Finding the Fourth Proportional to 135,038.26, 186,352.80 and 75,422.26

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Solution

The fourth proportional to 135,038.26, 186,352.80 and 75,422.26 is: 104,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,038.26 : 186,352.80 = 75,422.26 : x
  2. Step 2: Convert to fraction form
    135,038.26/186,352.80 = 75,422.26/x
  3. Step 3: Cross multiply
    135,038.26x = 186,352.80 × 75,422.26
  4. Step 4: Simplify right side
    135,038.26x = 14,055,149,333.33
  5. Step 5: Solve for x
    x = 14,055,149,333.33/135,038.26
  6. Step 6: Final answer
    x = 104,082.72

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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.