Home / 102,807.27-154,225.35-31,735.71

Finding the Fourth Proportional to 102,807.27, 154,225.35 and 31,735.71

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Solution

The fourth proportional to 102,807.27, 154,225.35 and 31,735.71 is: 47,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,807.27 : 154,225.35 = 31,735.71 : x
  2. Step 2: Convert to fraction form
    102,807.27/154,225.35 = 31,735.71/x
  3. Step 3: Cross multiply
    102,807.27x = 154,225.35 × 31,735.71
  4. Step 4: Simplify right side
    102,807.27x = 4,894,450,982.25
  5. Step 5: Solve for x
    x = 4,894,450,982.25/102,807.27
  6. Step 6: Final answer
    x = 47,608.02

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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.