Home / 114,534.66-171,636.18-78,959.46

Finding the Fourth Proportional to 114,534.66, 171,636.18 and 78,959.46

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Solution

The fourth proportional to 114,534.66, 171,636.18 and 78,959.46 is: 118,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,534.66 : 171,636.18 = 78,959.46 : x
  2. Step 2: Convert to fraction form
    114,534.66/171,636.18 = 78,959.46/x
  3. Step 3: Cross multiply
    114,534.66x = 171,636.18 × 78,959.46
  4. Step 4: Simplify right side
    114,534.66x = 13,552,300,089.26
  5. Step 5: Solve for x
    x = 13,552,300,089.26/114,534.66
  6. Step 6: Final answer
    x = 118,324.88

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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.