Home / 166,108.14-229,225.98-90,657.18

Finding the Fourth Proportional to 166,108.14, 229,225.98 and 90,657.18

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Solution

The fourth proportional to 166,108.14, 229,225.98 and 90,657.18 is: 125,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,108.14 : 229,225.98 = 90,657.18 : x
  2. Step 2: Convert to fraction form
    166,108.14/229,225.98 = 90,657.18/x
  3. Step 3: Cross multiply
    166,108.14x = 229,225.98 × 90,657.18
  4. Step 4: Simplify right side
    166,108.14x = 20,780,980,929.54
  5. Step 5: Solve for x
    x = 20,780,980,929.54/166,108.14
  6. Step 6: Final answer
    x = 125,105.13

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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.