Home / 147,079.40-220,619.10-130,166.60

Finding the Fourth Proportional to 147,079.40, 220,619.10 and 130,166.60

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Solution

The fourth proportional to 147,079.40, 220,619.10 and 130,166.60 is: 195,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,079.40 : 220,619.10 = 130,166.60 : x
  2. Step 2: Convert to fraction form
    147,079.40/220,619.10 = 130,166.60/x
  3. Step 3: Cross multiply
    147,079.40x = 220,619.10 × 130,166.60
  4. Step 4: Simplify right side
    147,079.40x = 28,717,238,142.06
  5. Step 5: Solve for x
    x = 28,717,238,142.06/147,079.40
  6. Step 6: Final answer
    x = 195,249.90

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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.