Home / 130,122.40-195,043.20-63,415.36

Finding the Fourth Proportional to 130,122.40, 195,043.20 and 63,415.36

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Solution

The fourth proportional to 130,122.40, 195,043.20 and 63,415.36 is: 95,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122.40 : 195,043.20 = 63,415.36 : x
  2. Step 2: Convert to fraction form
    130,122.40/195,043.20 = 63,415.36/x
  3. Step 3: Cross multiply
    130,122.40x = 195,043.20 × 63,415.36
  4. Step 4: Simplify right side
    130,122.40x = 12,368,734,743.55
  5. Step 5: Solve for x
    x = 12,368,734,743.55/130,122.40
  6. Step 6: Final answer
    x = 95,054.62

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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.