Home / 134,138.15-201,238.34-39,364.50

Finding the Fourth Proportional to 134,138.15, 201,238.34 and 39,364.50

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Solution

The fourth proportional to 134,138.15, 201,238.34 and 39,364.50 is: 59,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,138.15 : 201,238.34 = 39,364.50 : x
  2. Step 2: Convert to fraction form
    134,138.15/201,238.34 = 39,364.50/x
  3. Step 3: Cross multiply
    134,138.15x = 201,238.34 × 39,364.50
  4. Step 4: Simplify right side
    134,138.15x = 7,921,646,634.93
  5. Step 5: Solve for x
    x = 7,921,646,634.93/134,138.15
  6. Step 6: Final answer
    x = 59,055.88

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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.