Home / 131,628.17-197,462.75-42,861.03

Finding the Fourth Proportional to 131,628.17, 197,462.75 and 42,861.03

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Solution

The fourth proportional to 131,628.17, 197,462.75 and 42,861.03 is: 64,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,628.17 : 197,462.75 = 42,861.03 : x
  2. Step 2: Convert to fraction form
    131,628.17/197,462.75 = 42,861.03/x
  3. Step 3: Cross multiply
    131,628.17x = 197,462.75 × 42,861.03
  4. Step 4: Simplify right side
    131,628.17x = 8,463,456,851.63
  5. Step 5: Solve for x
    x = 8,463,456,851.63/131,628.17
  6. Step 6: Final answer
    x = 64,298.22

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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.