Home / 130,841.92-196,274.56-42,103.36

Finding the Fourth Proportional to 130,841.92, 196,274.56 and 42,103.36

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Solution

The fourth proportional to 130,841.92, 196,274.56 and 42,103.36 is: 63,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,841.92 : 196,274.56 = 42,103.36 : x
  2. Step 2: Convert to fraction form
    130,841.92/196,274.56 = 42,103.36/x
  3. Step 3: Cross multiply
    130,841.92x = 196,274.56 × 42,103.36
  4. Step 4: Simplify right side
    130,841.92x = 8,263,818,458.52
  5. Step 5: Solve for x
    x = 8,263,818,458.52/130,841.92
  6. Step 6: Final answer
    x = 63,158.80

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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.