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Finding the Fourth Proportional to 166,143.87, 249,209.32 and 55,335.87

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Solution

The fourth proportional to 166,143.87, 249,209.32 and 55,335.87 is: 83,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,143.87 : 249,209.32 = 55,335.87 : x
  2. Step 2: Convert to fraction form
    166,143.87/249,209.32 = 55,335.87/x
  3. Step 3: Cross multiply
    166,143.87x = 249,209.32 × 55,335.87
  4. Step 4: Simplify right side
    166,143.87x = 13,790,213,011.58
  5. Step 5: Solve for x
    x = 13,790,213,011.58/166,143.87
  6. Step 6: Final answer
    x = 83,001.64

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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.