Home / 185,876.22-278,530.47-138,261.06

Finding the Fourth Proportional to 185,876.22, 278,530.47 and 138,261.06

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Solution

The fourth proportional to 185,876.22, 278,530.47 and 138,261.06 is: 207,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,876.22 : 278,530.47 = 138,261.06 : x
  2. Step 2: Convert to fraction form
    185,876.22/278,530.47 = 138,261.06/x
  3. Step 3: Cross multiply
    185,876.22x = 278,530.47 × 138,261.06
  4. Step 4: Simplify right side
    185,876.22x = 38,509,918,024.50
  5. Step 5: Solve for x
    x = 38,509,918,024.50/185,876.22
  6. Step 6: Final answer
    x = 207,180.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.