Home / 166,388.90-249,519.56-130,920.01

Finding the Fourth Proportional to 166,388.90, 249,519.56 and 130,920.01

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Solution

The fourth proportional to 166,388.90, 249,519.56 and 130,920.01 is: 196,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,388.90 : 249,519.56 = 130,920.01 : x
  2. Step 2: Convert to fraction form
    166,388.90/249,519.56 = 130,920.01/x
  3. Step 3: Cross multiply
    166,388.90x = 249,519.56 × 130,920.01
  4. Step 4: Simplify right side
    166,388.90x = 32,667,102,012.00
  5. Step 5: Solve for x
    x = 32,667,102,012.00/166,388.90
  6. Step 6: Final answer
    x = 196,329.82

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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.