Home / 88,172.52-121,317.66-76,197.48

Finding the Fourth Proportional to 88,172.52, 121,317.66 and 76,197.48

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Solution

The fourth proportional to 88,172.52, 121,317.66 and 76,197.48 is: 104,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.52 : 121,317.66 = 76,197.48 : x
  2. Step 2: Convert to fraction form
    88,172.52/121,317.66 = 76,197.48/x
  3. Step 3: Cross multiply
    88,172.52x = 121,317.66 × 76,197.48
  4. Step 4: Simplify right side
    88,172.52x = 9,244,099,971.50
  5. Step 5: Solve for x
    x = 9,244,099,971.50/88,172.52
  6. Step 6: Final answer
    x = 104,841.05

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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.