Home / 166,417.86-229,656.42-90,966.36

Finding the Fourth Proportional to 166,417.86, 229,656.42 and 90,966.36

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Solution

The fourth proportional to 166,417.86, 229,656.42 and 90,966.36 is: 125,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,417.86 : 229,656.42 = 90,966.36 : x
  2. Step 2: Convert to fraction form
    166,417.86/229,656.42 = 90,966.36/x
  3. Step 3: Cross multiply
    166,417.86x = 229,656.42 × 90,966.36
  4. Step 4: Simplify right side
    166,417.86x = 20,891,008,578.03
  5. Step 5: Solve for x
    x = 20,891,008,578.03/166,417.86
  6. Step 6: Final answer
    x = 125,533.45

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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.