Home / 102,823.56-154,178.04-31,726.02

Finding the Fourth Proportional to 102,823.56, 154,178.04 and 31,726.02

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Solution

The fourth proportional to 102,823.56, 154,178.04 and 31,726.02 is: 47,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.56 : 154,178.04 = 31,726.02 : x
  2. Step 2: Convert to fraction form
    102,823.56/154,178.04 = 31,726.02/x
  3. Step 3: Cross multiply
    102,823.56x = 154,178.04 × 31,726.02
  4. Step 4: Simplify right side
    102,823.56x = 4,891,455,580.60
  5. Step 5: Solve for x
    x = 4,891,455,580.60/102,823.56
  6. Step 6: Final answer
    x = 47,571.35

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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.