Home / 166,513.20-249,769.80-61,310.40

Finding the Fourth Proportional to 166,513.20, 249,769.80 and 61,310.40

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Solution

The fourth proportional to 166,513.20, 249,769.80 and 61,310.40 is: 91,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,513.20 : 249,769.80 = 61,310.40 : x
  2. Step 2: Convert to fraction form
    166,513.20/249,769.80 = 61,310.40/x
  3. Step 3: Cross multiply
    166,513.20x = 249,769.80 × 61,310.40
  4. Step 4: Simplify right side
    166,513.20x = 15,313,486,345.92
  5. Step 5: Solve for x
    x = 15,313,486,345.92/166,513.20
  6. Step 6: Final answer
    x = 91,965.60

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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.