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Finding the Fourth Proportional to 166,303.20, 249,487.20 and 66,446.40

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Solution

The fourth proportional to 166,303.20, 249,487.20 and 66,446.40 is: 99,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,303.20 : 249,487.20 = 66,446.40 : x
  2. Step 2: Convert to fraction form
    166,303.20/249,487.20 = 66,446.40/x
  3. Step 3: Cross multiply
    166,303.20x = 249,487.20 × 66,446.40
  4. Step 4: Simplify right side
    166,303.20x = 16,577,526,286.08
  5. Step 5: Solve for x
    x = 16,577,526,286.08/166,303.20
  6. Step 6: Final answer
    x = 99,682.55

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1.5x scale

Why These Related Problems?

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