Home / 166,097.86-229,211.85-90,646.90

Finding the Fourth Proportional to 166,097.86, 229,211.85 and 90,646.90

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Solution

The fourth proportional to 166,097.86, 229,211.85 and 90,646.90 is: 125,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,097.86 : 229,211.85 = 90,646.90 : x
  2. Step 2: Convert to fraction form
    166,097.86/229,211.85 = 90,646.90/x
  3. Step 3: Cross multiply
    166,097.86x = 229,211.85 × 90,646.90
  4. Step 4: Simplify right side
    166,097.86x = 20,777,343,645.77
  5. Step 5: Solve for x
    x = 20,777,343,645.77/166,097.86
  6. Step 6: Final answer
    x = 125,090.98

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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.