Home / 166,311.55-229,444.81-102,538.63

Finding the Fourth Proportional to 166,311.55, 229,444.81 and 102,538.63

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Solution

The fourth proportional to 166,311.55, 229,444.81 and 102,538.63 is: 141,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311.55 : 229,444.81 = 102,538.63 : x
  2. Step 2: Convert to fraction form
    166,311.55/229,444.81 = 102,538.63/x
  3. Step 3: Cross multiply
    166,311.55x = 229,444.81 × 102,538.63
  4. Step 4: Simplify right side
    166,311.55x = 23,526,956,478.01
  5. Step 5: Solve for x
    x = 23,526,956,478.01/166,311.55
  6. Step 6: Final answer
    x = 141,463.15

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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.