Home / 89,186.28-133,799.14-30,020

Finding the Fourth Proportional to 89,186.28, 133,799.14 and 30,020

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Solution

The fourth proportional to 89,186.28, 133,799.14 and 30,020 is: 45,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.28 : 133,799.14 = 30,020 : x
  2. Step 2: Convert to fraction form
    89,186.28/133,799.14 = 30,020/x
  3. Step 3: Cross multiply
    89,186.28x = 133,799.14 × 30,020
  4. Step 4: Simplify right side
    89,186.28x = 4,016,650,182.80
  5. Step 5: Solve for x
    x = 4,016,650,182.80/89,186.28
  6. Step 6: Final answer
    x = 45,036.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.