Home / 166,411.80-249,617.70-99,817.65

Finding the Fourth Proportional to 166,411.80, 249,617.70 and 99,817.65

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Solution

The fourth proportional to 166,411.80, 249,617.70 and 99,817.65 is: 149,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,411.80 : 249,617.70 = 99,817.65 : x
  2. Step 2: Convert to fraction form
    166,411.80/249,617.70 = 99,817.65/x
  3. Step 3: Cross multiply
    166,411.80x = 249,617.70 × 99,817.65
  4. Step 4: Simplify right side
    166,411.80x = 24,916,252,212.41
  5. Step 5: Solve for x
    x = 24,916,252,212.41/166,411.80
  6. Step 6: Final answer
    x = 149,726.48

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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.