Home / 195,720.10-293,580.15-90,744.10

Finding the Fourth Proportional to 195,720.10, 293,580.15 and 90,744.10

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Solution

The fourth proportional to 195,720.10, 293,580.15 and 90,744.10 is: 136,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,720.10 : 293,580.15 = 90,744.10 : x
  2. Step 2: Convert to fraction form
    195,720.10/293,580.15 = 90,744.10/x
  3. Step 3: Cross multiply
    195,720.10x = 293,580.15 × 90,744.10
  4. Step 4: Simplify right side
    195,720.10x = 26,640,666,489.62
  5. Step 5: Solve for x
    x = 26,640,666,489.62/195,720.10
  6. Step 6: Final answer
    x = 136,116.15

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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.