Home / 131,313.57-197,031.87-64,717.38

Finding the Fourth Proportional to 131,313.57, 197,031.87 and 64,717.38

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Solution

The fourth proportional to 131,313.57, 197,031.87 and 64,717.38 is: 97,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.57 : 197,031.87 = 64,717.38 : x
  2. Step 2: Convert to fraction form
    131,313.57/197,031.87 = 64,717.38/x
  3. Step 3: Cross multiply
    131,313.57x = 197,031.87 × 64,717.38
  4. Step 4: Simplify right side
    131,313.57x = 12,751,386,402.90
  5. Step 5: Solve for x
    x = 12,751,386,402.90/131,313.57
  6. Step 6: Final answer
    x = 97,106.39

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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.