Home / 223,337.20-308,206.56-121,363.44

Finding the Fourth Proportional to 223,337.20, 308,206.56 and 121,363.44

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Solution

The fourth proportional to 223,337.20, 308,206.56 and 121,363.44 is: 167,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,337.20 : 308,206.56 = 121,363.44 : x
  2. Step 2: Convert to fraction form
    223,337.20/308,206.56 = 121,363.44/x
  3. Step 3: Cross multiply
    223,337.20x = 308,206.56 × 121,363.44
  4. Step 4: Simplify right side
    223,337.20x = 37,405,008,352.17
  5. Step 5: Solve for x
    x = 37,405,008,352.17/223,337.20
  6. Step 6: Final answer
    x = 167,482.21

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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.