Home / 158,092.24-218,238.45-100,808.34

Finding the Fourth Proportional to 158,092.24, 218,238.45 and 100,808.34

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Solution

The fourth proportional to 158,092.24, 218,238.45 and 100,808.34 is: 139,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,092.24 : 218,238.45 = 100,808.34 : x
  2. Step 2: Convert to fraction form
    158,092.24/218,238.45 = 100,808.34/x
  3. Step 3: Cross multiply
    158,092.24x = 218,238.45 × 100,808.34
  4. Step 4: Simplify right side
    158,092.24x = 22,000,255,868.67
  5. Step 5: Solve for x
    x = 22,000,255,868.67/158,092.24
  6. Step 6: Final answer
    x = 139,160.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.