Home / 106,427.92-159,641.76-31,548.64

Finding the Fourth Proportional to 106,427.92, 159,641.76 and 31,548.64

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Solution

The fourth proportional to 106,427.92, 159,641.76 and 31,548.64 is: 47,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.92 : 159,641.76 = 31,548.64 : x
  2. Step 2: Convert to fraction form
    106,427.92/159,641.76 = 31,548.64/x
  3. Step 3: Cross multiply
    106,427.92x = 159,641.76 × 31,548.64
  4. Step 4: Simplify right side
    106,427.92x = 5,036,480,415.21
  5. Step 5: Solve for x
    x = 5,036,480,415.21/106,427.92
  6. Step 6: Final answer
    x = 47,322.92

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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.