Home / 158,048.13-218,110.22-90,063.65

Finding the Fourth Proportional to 158,048.13, 218,110.22 and 90,063.65

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Solution

The fourth proportional to 158,048.13, 218,110.22 and 90,063.65 is: 124,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,048.13 : 218,110.22 = 90,063.65 : x
  2. Step 2: Convert to fraction form
    158,048.13/218,110.22 = 90,063.65/x
  3. Step 3: Cross multiply
    158,048.13x = 218,110.22 × 90,063.65
  4. Step 4: Simplify right side
    158,048.13x = 19,643,802,948.20
  5. Step 5: Solve for x
    x = 19,643,802,948.20/158,048.13
  6. Step 6: Final answer
    x = 124,290.00

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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.