Home / 206,086.18-308,726.76-142,032.94

Finding the Fourth Proportional to 206,086.18, 308,726.76 and 142,032.94

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Solution

The fourth proportional to 206,086.18, 308,726.76 and 142,032.94 is: 212,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,086.18 : 308,726.76 = 142,032.94 : x
  2. Step 2: Convert to fraction form
    206,086.18/308,726.76 = 142,032.94/x
  3. Step 3: Cross multiply
    206,086.18x = 308,726.76 × 142,032.94
  4. Step 4: Simplify right side
    206,086.18x = 43,849,369,379.47
  5. Step 5: Solve for x
    x = 43,849,369,379.47/206,086.18
  6. Step 6: Final answer
    x = 212,772.00

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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.