Home / 147,340.56-221,165.43-130,580.80

Finding the Fourth Proportional to 147,340.56, 221,165.43 and 130,580.80

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Solution

The fourth proportional to 147,340.56, 221,165.43 and 130,580.80 is: 196,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,340.56 : 221,165.43 = 130,580.80 : x
  2. Step 2: Convert to fraction form
    147,340.56/221,165.43 = 130,580.80/x
  3. Step 3: Cross multiply
    147,340.56x = 221,165.43 × 130,580.80
  4. Step 4: Simplify right side
    147,340.56x = 28,879,958,781.74
  5. Step 5: Solve for x
    x = 28,879,958,781.74/147,340.56
  6. Step 6: Final answer
    x = 196,008.21

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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.