Home / 81,241.16-121,817.08-25,065.94

Finding the Fourth Proportional to 81,241.16, 121,817.08 and 25,065.94

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Solution

The fourth proportional to 81,241.16, 121,817.08 and 25,065.94 is: 37,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,241.16 : 121,817.08 = 25,065.94 : x
  2. Step 2: Convert to fraction form
    81,241.16/121,817.08 = 25,065.94/x
  3. Step 3: Cross multiply
    81,241.16x = 121,817.08 × 25,065.94
  4. Step 4: Simplify right side
    81,241.16x = 3,053,459,618.26
  5. Step 5: Solve for x
    x = 3,053,459,618.26/81,241.16
  6. Step 6: Final answer
    x = 37,585.13

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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.