Home / 186,618.30-279,927.45-164,456.70

Finding the Fourth Proportional to 186,618.30, 279,927.45 and 164,456.70

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Solution

The fourth proportional to 186,618.30, 279,927.45 and 164,456.70 is: 246,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,618.30 : 279,927.45 = 164,456.70 : x
  2. Step 2: Convert to fraction form
    186,618.30/279,927.45 = 164,456.70/x
  3. Step 3: Cross multiply
    186,618.30x = 279,927.45 × 164,456.70
  4. Step 4: Simplify right side
    186,618.30x = 46,035,944,666.42
  5. Step 5: Solve for x
    x = 46,035,944,666.42/186,618.30
  6. Step 6: Final answer
    x = 246,685.05

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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.