Home / 195,215.55-292,821.30-100,472.28

Finding the Fourth Proportional to 195,215.55, 292,821.30 and 100,472.28

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Solution

The fourth proportional to 195,215.55, 292,821.30 and 100,472.28 is: 150,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,215.55 : 292,821.30 = 100,472.28 : x
  2. Step 2: Convert to fraction form
    195,215.55/292,821.30 = 100,472.28/x
  3. Step 3: Cross multiply
    195,215.55x = 292,821.30 × 100,472.28
  4. Step 4: Simplify right side
    195,215.55x = 29,420,423,643.56
  5. Step 5: Solve for x
    x = 29,420,423,643.56/195,215.55
  6. Step 6: Final answer
    x = 150,707.38

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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.