Home / 103,366.28-154,841.82-47,129.03

Finding the Fourth Proportional to 103,366.28, 154,841.82 and 47,129.03

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Solution

The fourth proportional to 103,366.28, 154,841.82 and 47,129.03 is: 70,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,366.28 : 154,841.82 = 47,129.03 : x
  2. Step 2: Convert to fraction form
    103,366.28/154,841.82 = 47,129.03/x
  3. Step 3: Cross multiply
    103,366.28x = 154,841.82 × 47,129.03
  4. Step 4: Simplify right side
    103,366.28x = 7,297,545,167.14
  5. Step 5: Solve for x
    x = 7,297,545,167.14/103,366.28
  6. Step 6: Final answer
    x = 70,598.89

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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.