Home / 166,154.76-229,297.50-90,703.80

Finding the Fourth Proportional to 166,154.76, 229,297.50 and 90,703.80

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Solution

The fourth proportional to 166,154.76, 229,297.50 and 90,703.80 is: 125,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,154.76 : 229,297.50 = 90,703.80 : x
  2. Step 2: Convert to fraction form
    166,154.76/229,297.50 = 90,703.80/x
  3. Step 3: Cross multiply
    166,154.76x = 229,297.50 × 90,703.80
  4. Step 4: Simplify right side
    166,154.76x = 20,798,154,580.50
  5. Step 5: Solve for x
    x = 20,798,154,580.50/166,154.76
  6. Step 6: Final answer
    x = 125,173.39

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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.