Home / 195,387.28-293,071.97-81,488.05

Finding the Fourth Proportional to 195,387.28, 293,071.97 and 81,488.05

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Solution

The fourth proportional to 195,387.28, 293,071.97 and 81,488.05 is: 122,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,387.28 : 293,071.97 = 81,488.05 : x
  2. Step 2: Convert to fraction form
    195,387.28/293,071.97 = 81,488.05/x
  3. Step 3: Cross multiply
    195,387.28x = 293,071.97 × 81,488.05
  4. Step 4: Simplify right side
    195,387.28x = 23,881,862,816.00
  5. Step 5: Solve for x
    x = 23,881,862,816.00/195,387.28
  6. Step 6: Final answer
    x = 122,228.34

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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.