Home / 158,597.44-218,876.07-90,612.95

Finding the Fourth Proportional to 158,597.44, 218,876.07 and 90,612.95

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Solution

The fourth proportional to 158,597.44, 218,876.07 and 90,612.95 is: 125,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,597.44 : 218,876.07 = 90,612.95 : x
  2. Step 2: Convert to fraction form
    158,597.44/218,876.07 = 90,612.95/x
  3. Step 3: Cross multiply
    158,597.44x = 218,876.07 × 90,612.95
  4. Step 4: Simplify right side
    158,597.44x = 19,833,006,449.07
  5. Step 5: Solve for x
    x = 19,833,006,449.07/158,597.44
  6. Step 6: Final answer
    x = 125,052.50

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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.