Home / 186,559.31-257,458.79-106,000.49

Finding the Fourth Proportional to 186,559.31, 257,458.79 and 106,000.49

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Solution

The fourth proportional to 186,559.31, 257,458.79 and 106,000.49 is: 146,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,559.31 : 257,458.79 = 106,000.49 : x
  2. Step 2: Convert to fraction form
    186,559.31/257,458.79 = 106,000.49/x
  3. Step 3: Cross multiply
    186,559.31x = 257,458.79 × 106,000.49
  4. Step 4: Simplify right side
    186,559.31x = 27,290,758,803.46
  5. Step 5: Solve for x
    x = 27,290,758,803.46/186,559.31
  6. Step 6: Final answer
    x = 146,284.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.