Home / 223,266.04-308,105.91-121,290.70

Finding the Fourth Proportional to 223,266.04, 308,105.91 and 121,290.70

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Solution

The fourth proportional to 223,266.04, 308,105.91 and 121,290.70 is: 167,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,266.04 : 308,105.91 = 121,290.70 : x
  2. Step 2: Convert to fraction form
    223,266.04/308,105.91 = 121,290.70/x
  3. Step 3: Cross multiply
    223,266.04x = 308,105.91 × 121,290.70
  4. Step 4: Simplify right side
    223,266.04x = 37,370,381,498.04
  5. Step 5: Solve for x
    x = 37,370,381,498.04/223,266.04
  6. Step 6: Final answer
    x = 167,380.50

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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.