Home / 103,112.32-154,688-36,544.96

Finding the Fourth Proportional to 103,112.32, 154,688 and 36,544.96

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Solution

The fourth proportional to 103,112.32, 154,688 and 36,544.96 is: 54,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,112.32 : 154,688 = 36,544.96 : x
  2. Step 2: Convert to fraction form
    103,112.32/154,688 = 36,544.96/x
  3. Step 3: Cross multiply
    103,112.32x = 154,688 × 36,544.96
  4. Step 4: Simplify right side
    103,112.32x = 5,653,066,772.48
  5. Step 5: Solve for x
    x = 5,653,066,772.48/103,112.32
  6. Step 6: Final answer
    x = 54,824.36

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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.