Home / 166,510.20-249,765.30-124,519.80

Finding the Fourth Proportional to 166,510.20, 249,765.30 and 124,519.80

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Solution

The fourth proportional to 166,510.20, 249,765.30 and 124,519.80 is: 186,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,510.20 : 249,765.30 = 124,519.80 : x
  2. Step 2: Convert to fraction form
    166,510.20/249,765.30 = 124,519.80/x
  3. Step 3: Cross multiply
    166,510.20x = 249,765.30 × 124,519.80
  4. Step 4: Simplify right side
    166,510.20x = 31,100,725,202.94
  5. Step 5: Solve for x
    x = 31,100,725,202.94/166,510.20
  6. Step 6: Final answer
    x = 186,779.70

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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.