Home / 103,386.24-154,954.24-47,149.36

Finding the Fourth Proportional to 103,386.24, 154,954.24 and 47,149.36

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Solution

The fourth proportional to 103,386.24, 154,954.24 and 47,149.36 is: 70,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,386.24 : 154,954.24 = 47,149.36 : x
  2. Step 2: Convert to fraction form
    103,386.24/154,954.24 = 47,149.36/x
  3. Step 3: Cross multiply
    103,386.24x = 154,954.24 × 47,149.36
  4. Step 4: Simplify right side
    103,386.24x = 7,305,993,245.29
  5. Step 5: Solve for x
    x = 7,305,993,245.29/103,386.24
  6. Step 6: Final answer
    x = 70,666.98

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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.