Home / 187,875.52-259,278.65-107,329.20

Finding the Fourth Proportional to 187,875.52, 259,278.65 and 107,329.20

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Solution

The fourth proportional to 187,875.52, 259,278.65 and 107,329.20 is: 148,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,875.52 : 259,278.65 = 107,329.20 : x
  2. Step 2: Convert to fraction form
    187,875.52/259,278.65 = 107,329.20/x
  3. Step 3: Cross multiply
    187,875.52x = 259,278.65 × 107,329.20
  4. Step 4: Simplify right side
    187,875.52x = 27,828,170,081.58
  5. Step 5: Solve for x
    x = 27,828,170,081.58/187,875.52
  6. Step 6: Final answer
    x = 148,120.26

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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.