Home / 103,266.81-154,887.91-28,394.56

Finding the Fourth Proportional to 103,266.81, 154,887.91 and 28,394.56

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Solution

The fourth proportional to 103,266.81, 154,887.91 and 28,394.56 is: 42,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,266.81 : 154,887.91 = 28,394.56 : x
  2. Step 2: Convert to fraction form
    103,266.81/154,887.91 = 28,394.56/x
  3. Step 3: Cross multiply
    103,266.81x = 154,887.91 × 28,394.56
  4. Step 4: Simplify right side
    103,266.81x = 4,397,973,911.80
  5. Step 5: Solve for x
    x = 4,397,973,911.80/103,266.81
  6. Step 6: Final answer
    x = 42,588.46

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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.