Home / 166,165.72-229,300.02-90,699.64

Finding the Fourth Proportional to 166,165.72, 229,300.02 and 90,699.64

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Solution

The fourth proportional to 166,165.72, 229,300.02 and 90,699.64 is: 125,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,165.72 : 229,300.02 = 90,699.64 : x
  2. Step 2: Convert to fraction form
    166,165.72/229,300.02 = 90,699.64/x
  3. Step 3: Cross multiply
    166,165.72x = 229,300.02 × 90,699.64
  4. Step 4: Simplify right side
    166,165.72x = 20,797,429,265.99
  5. Step 5: Solve for x
    x = 20,797,429,265.99/166,165.72
  6. Step 6: Final answer
    x = 125,160.77

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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.