Home / 166,209.80-249,314.70-99,615.65

Finding the Fourth Proportional to 166,209.80, 249,314.70 and 99,615.65

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Solution

The fourth proportional to 166,209.80, 249,314.70 and 99,615.65 is: 149,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,209.80 : 249,314.70 = 99,615.65 : x
  2. Step 2: Convert to fraction form
    166,209.80/249,314.70 = 99,615.65/x
  3. Step 3: Cross multiply
    166,209.80x = 249,314.70 × 99,615.65
  4. Step 4: Simplify right side
    166,209.80x = 24,835,645,895.06
  5. Step 5: Solve for x
    x = 24,835,645,895.06/166,209.80
  6. Step 6: Final answer
    x = 149,423.48

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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.