Home / 131,053.28-196,530.08-42,293.48

Finding the Fourth Proportional to 131,053.28, 196,530.08 and 42,293.48

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Solution

The fourth proportional to 131,053.28, 196,530.08 and 42,293.48 is: 63,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053.28 : 196,530.08 = 42,293.48 : x
  2. Step 2: Convert to fraction form
    131,053.28/196,530.08 = 42,293.48/x
  3. Step 3: Cross multiply
    131,053.28x = 196,530.08 × 42,293.48
  4. Step 4: Simplify right side
    131,053.28x = 8,311,941,007.88
  5. Step 5: Solve for x
    x = 8,311,941,007.88/131,053.28
  6. Step 6: Final answer
    x = 63,424.14

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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.