Home / 158,061.96-218,131.52-90,089.66

Finding the Fourth Proportional to 158,061.96, 218,131.52 and 90,089.66

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Solution

The fourth proportional to 158,061.96, 218,131.52 and 90,089.66 is: 124,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,061.96 : 218,131.52 = 90,089.66 : x
  2. Step 2: Convert to fraction form
    158,061.96/218,131.52 = 90,089.66/x
  3. Step 3: Cross multiply
    158,061.96x = 218,131.52 × 90,089.66
  4. Step 4: Simplify right side
    158,061.96x = 19,651,394,566.96
  5. Step 5: Solve for x
    x = 19,651,394,566.96/158,061.96
  6. Step 6: Final answer
    x = 124,327.16

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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.