Home / 131,809.24-197,714.10-38,315.80

Finding the Fourth Proportional to 131,809.24, 197,714.10 and 38,315.80

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Solution

The fourth proportional to 131,809.24, 197,714.10 and 38,315.80 is: 57,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,809.24 : 197,714.10 = 38,315.80 : x
  2. Step 2: Convert to fraction form
    131,809.24/197,714.10 = 38,315.80/x
  3. Step 3: Cross multiply
    131,809.24x = 197,714.10 × 38,315.80
  4. Step 4: Simplify right side
    131,809.24x = 7,575,573,912.78
  5. Step 5: Solve for x
    x = 7,575,573,912.78/131,809.24
  6. Step 6: Final answer
    x = 57,473.77

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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.