Home / 86,961.23-130,500.30-30,801.14

Finding the Fourth Proportional to 86,961.23, 130,500.30 and 30,801.14

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Solution

The fourth proportional to 86,961.23, 130,500.30 and 30,801.14 is: 46,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,961.23 : 130,500.30 = 30,801.14 : x
  2. Step 2: Convert to fraction form
    86,961.23/130,500.30 = 30,801.14/x
  3. Step 3: Cross multiply
    86,961.23x = 130,500.30 × 30,801.14
  4. Step 4: Simplify right side
    86,961.23x = 4,019,558,010.34
  5. Step 5: Solve for x
    x = 4,019,558,010.34/86,961.23
  6. Step 6: Final answer
    x = 46,222.41

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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.