Home / 106,277.28-159,378.29-31,377.39

Finding the Fourth Proportional to 106,277.28, 159,378.29 and 31,377.39

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Solution

The fourth proportional to 106,277.28, 159,378.29 and 31,377.39 is: 47,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,277.28 : 159,378.29 = 31,377.39 : x
  2. Step 2: Convert to fraction form
    106,277.28/159,378.29 = 31,377.39/x
  3. Step 3: Cross multiply
    106,277.28x = 159,378.29 × 31,377.39
  4. Step 4: Simplify right side
    106,277.28x = 5,000,874,762.86
  5. Step 5: Solve for x
    x = 5,000,874,762.86/106,277.28
  6. Step 6: Final answer
    x = 47,054.98

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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.