Home / 166,351.20-249,537.60-87,619.20

Finding the Fourth Proportional to 166,351.20, 249,537.60 and 87,619.20

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Solution

The fourth proportional to 166,351.20, 249,537.60 and 87,619.20 is: 131,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,351.20 : 249,537.60 = 87,619.20 : x
  2. Step 2: Convert to fraction form
    166,351.20/249,537.60 = 87,619.20/x
  3. Step 3: Cross multiply
    166,351.20x = 249,537.60 × 87,619.20
  4. Step 4: Simplify right side
    166,351.20x = 21,864,284,881.92
  5. Step 5: Solve for x
    x = 21,864,284,881.92/166,351.20
  6. Step 6: Final answer
    x = 131,434.49

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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.