Home / 179,504.15-247,705.62-98,931.43

Finding the Fourth Proportional to 179,504.15, 247,705.62 and 98,931.43

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Solution

The fourth proportional to 179,504.15, 247,705.62 and 98,931.43 is: 136,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,504.15 : 247,705.62 = 98,931.43 : x
  2. Step 2: Convert to fraction form
    179,504.15/247,705.62 = 98,931.43/x
  3. Step 3: Cross multiply
    179,504.15x = 247,705.62 × 98,931.43
  4. Step 4: Simplify right side
    179,504.15x = 24,505,869,967.11
  5. Step 5: Solve for x
    x = 24,505,869,967.11/179,504.15
  6. Step 6: Final answer
    x = 136,519.80

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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.