Home / 103,112.15-154,668.10-28,232.87

Finding the Fourth Proportional to 103,112.15, 154,668.10 and 28,232.87

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Solution

The fourth proportional to 103,112.15, 154,668.10 and 28,232.87 is: 42,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,112.15 : 154,668.10 = 28,232.87 : x
  2. Step 2: Convert to fraction form
    103,112.15/154,668.10 = 28,232.87/x
  3. Step 3: Cross multiply
    103,112.15x = 154,668.10 × 28,232.87
  4. Step 4: Simplify right side
    103,112.15x = 4,366,724,360.45
  5. Step 5: Solve for x
    x = 4,366,724,360.45/103,112.15
  6. Step 6: Final answer
    x = 42,349.27

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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.