Home / 149,122.96-205,856.86-98,162.44

Finding the Fourth Proportional to 149,122.96, 205,856.86 and 98,162.44

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Solution

The fourth proportional to 149,122.96, 205,856.86 and 98,162.44 is: 135,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,122.96 : 205,856.86 = 98,162.44 : x
  2. Step 2: Convert to fraction form
    149,122.96/205,856.86 = 98,162.44/x
  3. Step 3: Cross multiply
    149,122.96x = 205,856.86 × 98,162.44
  4. Step 4: Simplify right side
    149,122.96x = 20,207,411,668.34
  5. Step 5: Solve for x
    x = 20,207,411,668.34/149,122.96
  6. Step 6: Final answer
    x = 135,508.39

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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.