Home / 166,246.20-249,220.98-72,677.88

Finding the Fourth Proportional to 166,246.20, 249,220.98 and 72,677.88

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Solution

The fourth proportional to 166,246.20, 249,220.98 and 72,677.88 is: 108,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,246.20 : 249,220.98 = 72,677.88 : x
  2. Step 2: Convert to fraction form
    166,246.20/249,220.98 = 72,677.88/x
  3. Step 3: Cross multiply
    166,246.20x = 249,220.98 × 72,677.88
  4. Step 4: Simplify right side
    166,246.20x = 18,112,852,477.92
  5. Step 5: Solve for x
    x = 18,112,852,477.92/166,246.20
  6. Step 6: Final answer
    x = 108,951.98

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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.