Home / 178,987.07-247,003.07-98,419.79

Finding the Fourth Proportional to 178,987.07, 247,003.07 and 98,419.79

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Solution

The fourth proportional to 178,987.07, 247,003.07 and 98,419.79 is: 135,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,987.07 : 247,003.07 = 98,419.79 : x
  2. Step 2: Convert to fraction form
    178,987.07/247,003.07 = 98,419.79/x
  3. Step 3: Cross multiply
    178,987.07x = 247,003.07 × 98,419.79
  4. Step 4: Simplify right side
    178,987.07x = 24,309,989,907.30
  5. Step 5: Solve for x
    x = 24,309,989,907.30/178,987.07
  6. Step 6: Final answer
    x = 135,819.81

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1.5x scale

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.