Home / 131,440.60-197,031.30-64,826.20

Finding the Fourth Proportional to 131,440.60, 197,031.30 and 64,826.20

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Solution

The fourth proportional to 131,440.60, 197,031.30 and 64,826.20 is: 97,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440.60 : 197,031.30 = 64,826.20 : x
  2. Step 2: Convert to fraction form
    131,440.60/197,031.30 = 64,826.20/x
  3. Step 3: Cross multiply
    131,440.60x = 197,031.30 × 64,826.20
  4. Step 4: Simplify right side
    131,440.60x = 12,772,790,460.06
  5. Step 5: Solve for x
    x = 12,772,790,460.06/131,440.60
  6. Step 6: Final answer
    x = 97,175.38

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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.