Home / 174,645.28-261,574.06-122,288.50

Finding the Fourth Proportional to 174,645.28, 261,574.06 and 122,288.50

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Solution

The fourth proportional to 174,645.28, 261,574.06 and 122,288.50 is: 183,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,645.28 : 261,574.06 = 122,288.50 : x
  2. Step 2: Convert to fraction form
    174,645.28/261,574.06 = 122,288.50/x
  3. Step 3: Cross multiply
    174,645.28x = 261,574.06 × 122,288.50
  4. Step 4: Simplify right side
    174,645.28x = 31,987,499,436.31
  5. Step 5: Solve for x
    x = 31,987,499,436.31/174,645.28
  6. Step 6: Final answer
    x = 183,156.96

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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.