Home / 177,840.19-266,900.34-78,069.25

Finding the Fourth Proportional to 177,840.19, 266,900.34 and 78,069.25

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Solution

The fourth proportional to 177,840.19, 266,900.34 and 78,069.25 is: 117,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,840.19 : 266,900.34 = 78,069.25 : x
  2. Step 2: Convert to fraction form
    177,840.19/266,900.34 = 78,069.25/x
  3. Step 3: Cross multiply
    177,840.19x = 266,900.34 × 78,069.25
  4. Step 4: Simplify right side
    177,840.19x = 20,836,709,368.55
  5. Step 5: Solve for x
    x = 20,836,709,368.55/177,840.19
  6. Step 6: Final answer
    x = 117,165.36

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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.