Home / 166,772.30-230,144.06-90,289.36

Finding the Fourth Proportional to 166,772.30, 230,144.06 and 90,289.36

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Solution

The fourth proportional to 166,772.30, 230,144.06 and 90,289.36 is: 124,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.30 : 230,144.06 = 90,289.36 : x
  2. Step 2: Convert to fraction form
    166,772.30/230,144.06 = 90,289.36/x
  3. Step 3: Cross multiply
    166,772.30x = 230,144.06 × 90,289.36
  4. Step 4: Simplify right side
    166,772.30x = 20,779,560,398.61
  5. Step 5: Solve for x
    x = 20,779,560,398.61/166,772.30
  6. Step 6: Final answer
    x = 124,598.40

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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.