Home / 166,188.61-229,340.19-90,737.11

Finding the Fourth Proportional to 166,188.61, 229,340.19 and 90,737.11

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Solution

The fourth proportional to 166,188.61, 229,340.19 and 90,737.11 is: 125,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,188.61 : 229,340.19 = 90,737.11 : x
  2. Step 2: Convert to fraction form
    166,188.61/229,340.19 = 90,737.11/x
  3. Step 3: Cross multiply
    166,188.61x = 229,340.19 × 90,737.11
  4. Step 4: Simplify right side
    166,188.61x = 20,809,666,047.45
  5. Step 5: Solve for x
    x = 20,809,666,047.45/166,188.61
  6. Step 6: Final answer
    x = 125,217.16

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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.