Home / 166,124.80-249,187.20-99,530.65

Finding the Fourth Proportional to 166,124.80, 249,187.20 and 99,530.65

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Solution

The fourth proportional to 166,124.80, 249,187.20 and 99,530.65 is: 149,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,124.80 : 249,187.20 = 99,530.65 : x
  2. Step 2: Convert to fraction form
    166,124.80/249,187.20 = 99,530.65/x
  3. Step 3: Cross multiply
    166,124.80x = 249,187.20 × 99,530.65
  4. Step 4: Simplify right side
    166,124.80x = 24,801,763,987.68
  5. Step 5: Solve for x
    x = 24,801,763,987.68/166,124.80
  6. Step 6: Final answer
    x = 149,295.98

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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.