Home / 86,959.23-130,497.30-30,799.14

Finding the Fourth Proportional to 86,959.23, 130,497.30 and 30,799.14

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Solution

The fourth proportional to 86,959.23, 130,497.30 and 30,799.14 is: 46,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,959.23 : 130,497.30 = 30,799.14 : x
  2. Step 2: Convert to fraction form
    86,959.23/130,497.30 = 30,799.14/x
  3. Step 3: Cross multiply
    86,959.23x = 130,497.30 × 30,799.14
  4. Step 4: Simplify right side
    86,959.23x = 4,019,204,612.32
  5. Step 5: Solve for x
    x = 4,019,204,612.32/86,959.23
  6. Step 6: Final answer
    x = 46,219.41

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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.