Home / 166,412.80-249,619.20-99,818.65

Finding the Fourth Proportional to 166,412.80, 249,619.20 and 99,818.65

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Solution

The fourth proportional to 166,412.80, 249,619.20 and 99,818.65 is: 149,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,412.80 : 249,619.20 = 99,818.65 : x
  2. Step 2: Convert to fraction form
    166,412.80/249,619.20 = 99,818.65/x
  3. Step 3: Cross multiply
    166,412.80x = 249,619.20 × 99,818.65
  4. Step 4: Simplify right side
    166,412.80x = 24,916,651,558.08
  5. Step 5: Solve for x
    x = 24,916,651,558.08/166,412.80
  6. Step 6: Final answer
    x = 149,727.98

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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.