Home / 166,089.07-249,012.91-66,219.31

Finding the Fourth Proportional to 166,089.07, 249,012.91 and 66,219.31

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Solution

The fourth proportional to 166,089.07, 249,012.91 and 66,219.31 is: 99,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089.07 : 249,012.91 = 66,219.31 : x
  2. Step 2: Convert to fraction form
    166,089.07/249,012.91 = 66,219.31/x
  3. Step 3: Cross multiply
    166,089.07x = 249,012.91 × 66,219.31
  4. Step 4: Simplify right side
    166,089.07x = 16,489,462,293.21
  5. Step 5: Solve for x
    x = 16,489,462,293.21/166,089.07
  6. Step 6: Final answer
    x = 99,280.84

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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.