Home / 179,213.35-247,312.47-98,639.14

Finding the Fourth Proportional to 179,213.35, 247,312.47 and 98,639.14

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Solution

The fourth proportional to 179,213.35, 247,312.47 and 98,639.14 is: 136,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,213.35 : 247,312.47 = 98,639.14 : x
  2. Step 2: Convert to fraction form
    179,213.35/247,312.47 = 98,639.14/x
  3. Step 3: Cross multiply
    179,213.35x = 247,312.47 × 98,639.14
  4. Step 4: Simplify right side
    179,213.35x = 24,394,688,858.88
  5. Step 5: Solve for x
    x = 24,394,688,858.88/179,213.35
  6. Step 6: Final answer
    x = 136,120.94

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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.