Home / 112,437.32-168,655.97-45,908.78

Finding the Fourth Proportional to 112,437.32, 168,655.97 and 45,908.78

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Solution

The fourth proportional to 112,437.32, 168,655.97 and 45,908.78 is: 68,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,437.32 : 168,655.97 = 45,908.78 : x
  2. Step 2: Convert to fraction form
    112,437.32/168,655.97 = 45,908.78/x
  3. Step 3: Cross multiply
    112,437.32x = 168,655.97 × 45,908.78
  4. Step 4: Simplify right side
    112,437.32x = 7,742,789,093.91
  5. Step 5: Solve for x
    x = 7,742,789,093.91/112,437.32
  6. Step 6: Final answer
    x = 68,863.16

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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.