Home / 106,304.31-159,460.11-56,316.78

Finding the Fourth Proportional to 106,304.31, 159,460.11 and 56,316.78

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Solution

The fourth proportional to 106,304.31, 159,460.11 and 56,316.78 is: 84,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,304.31 : 159,460.11 = 56,316.78 : x
  2. Step 2: Convert to fraction form
    106,304.31/159,460.11 = 56,316.78/x
  3. Step 3: Cross multiply
    106,304.31x = 159,460.11 × 56,316.78
  4. Step 4: Simplify right side
    106,304.31x = 8,980,279,933.65
  5. Step 5: Solve for x
    x = 8,980,279,933.65/106,304.31
  6. Step 6: Final answer
    x = 84,477.10

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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.