Home / 177,688.64-266,619.84-77,835.20

Finding the Fourth Proportional to 177,688.64, 266,619.84 and 77,835.20

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Solution

The fourth proportional to 177,688.64, 266,619.84 and 77,835.20 is: 116,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,688.64 : 266,619.84 = 77,835.20 : x
  2. Step 2: Convert to fraction form
    177,688.64/266,619.84 = 77,835.20/x
  3. Step 3: Cross multiply
    177,688.64x = 266,619.84 × 77,835.20
  4. Step 4: Simplify right side
    177,688.64x = 20,752,408,570.37
  5. Step 5: Solve for x
    x = 20,752,408,570.37/177,688.64
  6. Step 6: Final answer
    x = 116,790.86

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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.