Home / 166,293.31-249,501.94-99,781.17

Finding the Fourth Proportional to 166,293.31, 249,501.94 and 99,781.17

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Solution

The fourth proportional to 166,293.31, 249,501.94 and 99,781.17 is: 149,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,293.31 : 249,501.94 = 99,781.17 : x
  2. Step 2: Convert to fraction form
    166,293.31/249,501.94 = 99,781.17/x
  3. Step 3: Cross multiply
    166,293.31x = 249,501.94 × 99,781.17
  4. Step 4: Simplify right side
    166,293.31x = 24,895,595,241.02
  5. Step 5: Solve for x
    x = 24,895,595,241.02/166,293.31
  6. Step 6: Final answer
    x = 149,708.94

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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.