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Finding the Fourth Proportional to 166,202.58, 249,020.28 and 91,385.40

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Solution

The fourth proportional to 166,202.58, 249,020.28 and 91,385.40 is: 136,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,202.58 : 249,020.28 = 91,385.40 : x
  2. Step 2: Convert to fraction form
    166,202.58/249,020.28 = 91,385.40/x
  3. Step 3: Cross multiply
    166,202.58x = 249,020.28 × 91,385.40
  4. Step 4: Simplify right side
    166,202.58x = 22,756,817,895.91
  5. Step 5: Solve for x
    x = 22,756,817,895.91/166,202.58
  6. Step 6: Final answer
    x = 136,922.17

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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.