Home / 223,046.10-307,803.91-121,071.49

Finding the Fourth Proportional to 223,046.10, 307,803.91 and 121,071.49

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Solution

The fourth proportional to 223,046.10, 307,803.91 and 121,071.49 is: 167,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,046.10 : 307,803.91 = 121,071.49 : x
  2. Step 2: Convert to fraction form
    223,046.10/307,803.91 = 121,071.49/x
  3. Step 3: Cross multiply
    223,046.10x = 307,803.91 × 121,071.49
  4. Step 4: Simplify right side
    223,046.10x = 37,266,278,011.53
  5. Step 5: Solve for x
    x = 37,266,278,011.53/223,046.10
  6. Step 6: Final answer
    x = 167,078.82

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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.