Home / 121,265.14-181,896.43-47,392.50

Finding the Fourth Proportional to 121,265.14, 181,896.43 and 47,392.50

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Solution

The fourth proportional to 121,265.14, 181,896.43 and 47,392.50 is: 71,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,265.14 : 181,896.43 = 47,392.50 : x
  2. Step 2: Convert to fraction form
    121,265.14/181,896.43 = 47,392.50/x
  3. Step 3: Cross multiply
    121,265.14x = 181,896.43 × 47,392.50
  4. Step 4: Simplify right side
    121,265.14x = 8,620,526,558.78
  5. Step 5: Solve for x
    x = 8,620,526,558.78/121,265.14
  6. Step 6: Final answer
    x = 71,088.25

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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.