Home / 195,329.32-293,113.98-90,156.04

Finding the Fourth Proportional to 195,329.32, 293,113.98 and 90,156.04

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Solution

The fourth proportional to 195,329.32, 293,113.98 and 90,156.04 is: 135,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,329.32 : 293,113.98 = 90,156.04 : x
  2. Step 2: Convert to fraction form
    195,329.32/293,113.98 = 90,156.04/x
  3. Step 3: Cross multiply
    195,329.32x = 293,113.98 × 90,156.04
  4. Step 4: Simplify right side
    195,329.32x = 26,425,995,705.44
  5. Step 5: Solve for x
    x = 26,425,995,705.44/195,329.32
  6. Step 6: Final answer
    x = 135,289.45

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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.