Home / 130,980.60-196,305.70-56,012.12

Finding the Fourth Proportional to 130,980.60, 196,305.70 and 56,012.12

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Solution

The fourth proportional to 130,980.60, 196,305.70 and 56,012.12 is: 83,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,980.60 : 196,305.70 = 56,012.12 : x
  2. Step 2: Convert to fraction form
    130,980.60/196,305.70 = 56,012.12/x
  3. Step 3: Cross multiply
    130,980.60x = 196,305.70 × 56,012.12
  4. Step 4: Simplify right side
    130,980.60x = 10,995,498,425.08
  5. Step 5: Solve for x
    x = 10,995,498,425.08/130,980.60
  6. Step 6: Final answer
    x = 83,947.53

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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.