Home / 166,455.36-229,709.52-91,005.12

Finding the Fourth Proportional to 166,455.36, 229,709.52 and 91,005.12

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Solution

The fourth proportional to 166,455.36, 229,709.52 and 91,005.12 is: 125,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455.36 : 229,709.52 = 91,005.12 : x
  2. Step 2: Convert to fraction form
    166,455.36/229,709.52 = 91,005.12/x
  3. Step 3: Cross multiply
    166,455.36x = 229,709.52 × 91,005.12
  4. Step 4: Simplify right side
    166,455.36x = 20,904,742,432.74
  5. Step 5: Solve for x
    x = 20,904,742,432.74/166,455.36
  6. Step 6: Final answer
    x = 125,587.68

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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.