Home / 223,929.96-309,011.94-123,308.52

Finding the Fourth Proportional to 223,929.96, 309,011.94 and 123,308.52

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Solution

The fourth proportional to 223,929.96, 309,011.94 and 123,308.52 is: 170,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,929.96 : 309,011.94 = 123,308.52 : x
  2. Step 2: Convert to fraction form
    223,929.96/309,011.94 = 123,308.52/x
  3. Step 3: Cross multiply
    223,929.96x = 309,011.94 × 123,308.52
  4. Step 4: Simplify right side
    223,929.96x = 38,103,804,983.73
  5. Step 5: Solve for x
    x = 38,103,804,983.73/223,929.96
  6. Step 6: Final answer
    x = 170,159.48

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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.