Home / 166,220.40-249,306.30-47,879.40

Finding the Fourth Proportional to 166,220.40, 249,306.30 and 47,879.40

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Solution

The fourth proportional to 166,220.40, 249,306.30 and 47,879.40 is: 71,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,220.40 : 249,306.30 = 47,879.40 : x
  2. Step 2: Convert to fraction form
    166,220.40/249,306.30 = 47,879.40/x
  3. Step 3: Cross multiply
    166,220.40x = 249,306.30 × 47,879.40
  4. Step 4: Simplify right side
    166,220.40x = 11,936,636,060.22
  5. Step 5: Solve for x
    x = 11,936,636,060.22/166,220.40
  6. Step 6: Final answer
    x = 71,812.10

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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.