Home / 205,159.40-307,566.30-106,663.40

Finding the Fourth Proportional to 205,159.40, 307,566.30 and 106,663.40

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Solution

The fourth proportional to 205,159.40, 307,566.30 and 106,663.40 is: 159,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,159.40 : 307,566.30 = 106,663.40 : x
  2. Step 2: Convert to fraction form
    205,159.40/307,566.30 = 106,663.40/x
  3. Step 3: Cross multiply
    205,159.40x = 307,566.30 × 106,663.40
  4. Step 4: Simplify right side
    205,159.40x = 32,806,067,283.42
  5. Step 5: Solve for x
    x = 32,806,067,283.42/205,159.40
  6. Step 6: Final answer
    x = 159,905.26

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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.