Home / 117,803.75-162,569.18-64,811.75

Finding the Fourth Proportional to 117,803.75, 162,569.18 and 64,811.75

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Solution

The fourth proportional to 117,803.75, 162,569.18 and 64,811.75 is: 89,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,803.75 : 162,569.18 = 64,811.75 : x
  2. Step 2: Convert to fraction form
    117,803.75/162,569.18 = 64,811.75/x
  3. Step 3: Cross multiply
    117,803.75x = 162,569.18 × 64,811.75
  4. Step 4: Simplify right side
    117,803.75x = 10,536,393,051.87
  5. Step 5: Solve for x
    x = 10,536,393,051.87/117,803.75
  6. Step 6: Final answer
    x = 89,440.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.