Home / 90,922.82-125,423.22-75,686.18

Finding the Fourth Proportional to 90,922.82, 125,423.22 and 75,686.18

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Solution

The fourth proportional to 90,922.82, 125,423.22 and 75,686.18 is: 104,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.82 : 125,423.22 = 75,686.18 : x
  2. Step 2: Convert to fraction form
    90,922.82/125,423.22 = 75,686.18/x
  3. Step 3: Cross multiply
    90,922.82x = 125,423.22 × 75,686.18
  4. Step 4: Simplify right side
    90,922.82x = 9,492,804,405.10
  5. Step 5: Solve for x
    x = 9,492,804,405.10/90,922.82
  6. Step 6: Final answer
    x = 104,405.08

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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.