Home / 166,417.82-229,656.58-90,966.32

Finding the Fourth Proportional to 166,417.82, 229,656.58 and 90,966.32

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Solution

The fourth proportional to 166,417.82, 229,656.58 and 90,966.32 is: 125,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,417.82 : 229,656.58 = 90,966.32 : x
  2. Step 2: Convert to fraction form
    166,417.82/229,656.58 = 90,966.32/x
  3. Step 3: Cross multiply
    166,417.82x = 229,656.58 × 90,966.32
  4. Step 4: Simplify right side
    166,417.82x = 20,891,012,798.10
  5. Step 5: Solve for x
    x = 20,891,012,798.10/166,417.82
  6. Step 6: Final answer
    x = 125,533.51

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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.