Home / 166,089.19-249,013.10-66,219.43

Finding the Fourth Proportional to 166,089.19, 249,013.10 and 66,219.43

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Solution

The fourth proportional to 166,089.19, 249,013.10 and 66,219.43 is: 99,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089.19 : 249,013.10 = 66,219.43 : x
  2. Step 2: Convert to fraction form
    166,089.19/249,013.10 = 66,219.43/x
  3. Step 3: Cross multiply
    166,089.19x = 249,013.10 × 66,219.43
  4. Step 4: Simplify right side
    166,089.19x = 16,489,505,544.53
  5. Step 5: Solve for x
    x = 16,489,505,544.53/166,089.19
  6. Step 6: Final answer
    x = 99,281.03

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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.