Home / 158,012.44-218,003.74-89,981.18

Finding the Fourth Proportional to 158,012.44, 218,003.74 and 89,981.18

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Solution

The fourth proportional to 158,012.44, 218,003.74 and 89,981.18 is: 124,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,012.44 : 218,003.74 = 89,981.18 : x
  2. Step 2: Convert to fraction form
    158,012.44/218,003.74 = 89,981.18/x
  3. Step 3: Cross multiply
    158,012.44x = 218,003.74 × 89,981.18
  4. Step 4: Simplify right side
    158,012.44x = 19,616,233,769.61
  5. Step 5: Solve for x
    x = 19,616,233,769.61/158,012.44
  6. Step 6: Final answer
    x = 124,143.60

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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.