Home / 88,080.39-121,383.14-86,460.96

Finding the Fourth Proportional to 88,080.39, 121,383.14 and 86,460.96

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Solution

The fourth proportional to 88,080.39, 121,383.14 and 86,460.96 is: 119,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080.39 : 121,383.14 = 86,460.96 : x
  2. Step 2: Convert to fraction form
    88,080.39/121,383.14 = 86,460.96/x
  3. Step 3: Cross multiply
    88,080.39x = 121,383.14 × 86,460.96
  4. Step 4: Simplify right side
    88,080.39x = 10,494,902,812.21
  5. Step 5: Solve for x
    x = 10,494,902,812.21/88,080.39
  6. Step 6: Final answer
    x = 119,151.41

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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.