Home / 158,435.75-218,670.03-101,092.88

Finding the Fourth Proportional to 158,435.75, 218,670.03 and 101,092.88

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Solution

The fourth proportional to 158,435.75, 218,670.03 and 101,092.88 is: 139,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,435.75 : 218,670.03 = 101,092.88 : x
  2. Step 2: Convert to fraction form
    158,435.75/218,670.03 = 101,092.88/x
  3. Step 3: Cross multiply
    158,435.75x = 218,670.03 × 101,092.88
  4. Step 4: Simplify right side
    158,435.75x = 22,105,982,009.04
  5. Step 5: Solve for x
    x = 22,105,982,009.04/158,435.75
  6. Step 6: Final answer
    x = 139,526.48

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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.