Home / 166,109.80-249,164.70-136,585.30

Finding the Fourth Proportional to 166,109.80, 249,164.70 and 136,585.30

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Solution

The fourth proportional to 166,109.80, 249,164.70 and 136,585.30 is: 204,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,109.80 : 249,164.70 = 136,585.30 : x
  2. Step 2: Convert to fraction form
    166,109.80/249,164.70 = 136,585.30/x
  3. Step 3: Cross multiply
    166,109.80x = 249,164.70 × 136,585.30
  4. Step 4: Simplify right side
    166,109.80x = 34,032,235,298.91
  5. Step 5: Solve for x
    x = 34,032,235,298.91/166,109.80
  6. Step 6: Final answer
    x = 204,877.95

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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.