Home / 195,615.10-293,422.65-90,639.10

Finding the Fourth Proportional to 195,615.10, 293,422.65 and 90,639.10

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Solution

The fourth proportional to 195,615.10, 293,422.65 and 90,639.10 is: 135,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,615.10 : 293,422.65 = 90,639.10 : x
  2. Step 2: Convert to fraction form
    195,615.10/293,422.65 = 90,639.10/x
  3. Step 3: Cross multiply
    195,615.10x = 293,422.65 × 90,639.10
  4. Step 4: Simplify right side
    195,615.10x = 26,595,564,915.62
  5. Step 5: Solve for x
    x = 26,595,564,915.62/195,615.10
  6. Step 6: Final answer
    x = 135,958.65

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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.