Home / 64,106.12-96,170.16-19,731.98

Finding the Fourth Proportional to 64,106.12, 96,170.16 and 19,731.98

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Solution

The fourth proportional to 64,106.12, 96,170.16 and 19,731.98 is: 29,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,106.12 : 96,170.16 = 19,731.98 : x
  2. Step 2: Convert to fraction form
    64,106.12/96,170.16 = 19,731.98/x
  3. Step 3: Cross multiply
    64,106.12x = 96,170.16 × 19,731.98
  4. Step 4: Simplify right side
    64,106.12x = 1,897,627,673.72
  5. Step 5: Solve for x
    x = 1,897,627,673.72/64,106.12
  6. Step 6: Final answer
    x = 29,601.35

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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.