Home / 126,351.24-189,526.08-31,580.95

Finding the Fourth Proportional to 126,351.24, 189,526.08 and 31,580.95

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Solution

The fourth proportional to 126,351.24, 189,526.08 and 31,580.95 is: 47,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351.24 : 189,526.08 = 31,580.95 : x
  2. Step 2: Convert to fraction form
    126,351.24/189,526.08 = 31,580.95/x
  3. Step 3: Cross multiply
    126,351.24x = 189,526.08 × 31,580.95
  4. Step 4: Simplify right side
    126,351.24x = 5,985,413,656.18
  5. Step 5: Solve for x
    x = 5,985,413,656.18/126,351.24
  6. Step 6: Final answer
    x = 47,371.23

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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.