Home / 102,824.07-154,178.79-31,726.52

Finding the Fourth Proportional to 102,824.07, 154,178.79 and 31,726.52

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Solution

The fourth proportional to 102,824.07, 154,178.79 and 31,726.52 is: 47,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,824.07 : 154,178.79 = 31,726.52 : x
  2. Step 2: Convert to fraction form
    102,824.07/154,178.79 = 31,726.52/x
  3. Step 3: Cross multiply
    102,824.07x = 154,178.79 × 31,726.52
  4. Step 4: Simplify right side
    102,824.07x = 4,891,556,464.51
  5. Step 5: Solve for x
    x = 4,891,556,464.51/102,824.07
  6. Step 6: Final answer
    x = 47,572.10

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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.