Home / 130,836.39-196,130.03-42,027.63

Finding the Fourth Proportional to 130,836.39, 196,130.03 and 42,027.63

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Solution

The fourth proportional to 130,836.39, 196,130.03 and 42,027.63 is: 63,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,836.39 : 196,130.03 = 42,027.63 : x
  2. Step 2: Convert to fraction form
    130,836.39/196,130.03 = 42,027.63/x
  3. Step 3: Cross multiply
    130,836.39x = 196,130.03 × 42,027.63
  4. Step 4: Simplify right side
    130,836.39x = 8,242,880,122.59
  5. Step 5: Solve for x
    x = 8,242,880,122.59/130,836.39
  6. Step 6: Final answer
    x = 63,001.43

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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.