Home / 166,225.97-249,266.87-91,323.65

Finding the Fourth Proportional to 166,225.97, 249,266.87 and 91,323.65

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Solution

The fourth proportional to 166,225.97, 249,266.87 and 91,323.65 is: 136,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,225.97 : 249,266.87 = 91,323.65 : x
  2. Step 2: Convert to fraction form
    166,225.97/249,266.87 = 91,323.65/x
  3. Step 3: Cross multiply
    166,225.97x = 249,266.87 × 91,323.65
  4. Step 4: Simplify right side
    166,225.97x = 22,763,960,901.49
  5. Step 5: Solve for x
    x = 22,763,960,901.49/166,225.97
  6. Step 6: Final answer
    x = 136,945.87

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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.