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Finding the Fourth Proportional to 166,421.80, 249,632.70 and 48,105.10

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Solution

The fourth proportional to 166,421.80, 249,632.70 and 48,105.10 is: 72,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,421.80 : 249,632.70 = 48,105.10 : x
  2. Step 2: Convert to fraction form
    166,421.80/249,632.70 = 48,105.10/x
  3. Step 3: Cross multiply
    166,421.80x = 249,632.70 × 48,105.10
  4. Step 4: Simplify right side
    166,421.80x = 12,008,605,996.77
  5. Step 5: Solve for x
    x = 12,008,605,996.77/166,421.80
  6. Step 6: Final answer
    x = 72,157.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.