Home / 135,842.40-203,632.38-47,029.14

Finding the Fourth Proportional to 135,842.40, 203,632.38 and 47,029.14

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Solution

The fourth proportional to 135,842.40, 203,632.38 and 47,029.14 is: 70,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,842.40 : 203,632.38 = 47,029.14 : x
  2. Step 2: Convert to fraction form
    135,842.40/203,632.38 = 47,029.14/x
  3. Step 3: Cross multiply
    135,842.40x = 203,632.38 × 47,029.14
  4. Step 4: Simplify right side
    135,842.40x = 9,576,655,707.55
  5. Step 5: Solve for x
    x = 9,576,655,707.55/135,842.40
  6. Step 6: Final answer
    x = 70,498.28

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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.