Home / 133,927.32-200,775.54-76,989.18

Finding the Fourth Proportional to 133,927.32, 200,775.54 and 76,989.18

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Solution

The fourth proportional to 133,927.32, 200,775.54 and 76,989.18 is: 115,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,927.32 : 200,775.54 = 76,989.18 : x
  2. Step 2: Convert to fraction form
    133,927.32/200,775.54 = 76,989.18/x
  3. Step 3: Cross multiply
    133,927.32x = 200,775.54 × 76,989.18
  4. Step 4: Simplify right side
    133,927.32x = 15,457,544,188.66
  5. Step 5: Solve for x
    x = 15,457,544,188.66/133,927.32
  6. Step 6: Final answer
    x = 115,417.41

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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.