Home / 254,868.23-382,300.67-86,507.12

Finding the Fourth Proportional to 254,868.23, 382,300.67 and 86,507.12

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Solution

The fourth proportional to 254,868.23, 382,300.67 and 86,507.12 is: 129,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,868.23 : 382,300.67 = 86,507.12 : x
  2. Step 2: Convert to fraction form
    254,868.23/382,300.67 = 86,507.12/x
  3. Step 3: Cross multiply
    254,868.23x = 382,300.67 × 86,507.12
  4. Step 4: Simplify right side
    254,868.23x = 33,071,727,591.73
  5. Step 5: Solve for x
    x = 33,071,727,591.73/254,868.23
  6. Step 6: Final answer
    x = 129,760.10

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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.