Home / 166,420.78-229,634.13-94,802.20

Finding the Fourth Proportional to 166,420.78, 229,634.13 and 94,802.20

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Solution

The fourth proportional to 166,420.78, 229,634.13 and 94,802.20 is: 130,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,420.78 : 229,634.13 = 94,802.20 : x
  2. Step 2: Convert to fraction form
    166,420.78/229,634.13 = 94,802.20/x
  3. Step 3: Cross multiply
    166,420.78x = 229,634.13 × 94,802.20
  4. Step 4: Simplify right side
    166,420.78x = 21,769,820,719.09
  5. Step 5: Solve for x
    x = 21,769,820,719.09/166,420.78
  6. Step 6: Final answer
    x = 130,811.91

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1.5x scale

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.