Home / 131,556.15-197,366.63-38,071.35

Finding the Fourth Proportional to 131,556.15, 197,366.63 and 38,071.35

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Solution

The fourth proportional to 131,556.15, 197,366.63 and 38,071.35 is: 57,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,556.15 : 197,366.63 = 38,071.35 : x
  2. Step 2: Convert to fraction form
    131,556.15/197,366.63 = 38,071.35/x
  3. Step 3: Cross multiply
    131,556.15x = 197,366.63 × 38,071.35
  4. Step 4: Simplify right side
    131,556.15x = 7,514,013,858.69
  5. Step 5: Solve for x
    x = 7,514,013,858.69/131,556.15
  6. Step 6: Final answer
    x = 57,116.40

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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.