Home / 130,215.44-195,342.66-47,128.88

Finding the Fourth Proportional to 130,215.44, 195,342.66 and 47,128.88

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Solution

The fourth proportional to 130,215.44, 195,342.66 and 47,128.88 is: 70,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,215.44 : 195,342.66 = 47,128.88 : x
  2. Step 2: Convert to fraction form
    130,215.44/195,342.66 = 47,128.88/x
  3. Step 3: Cross multiply
    130,215.44x = 195,342.66 × 47,128.88
  4. Step 4: Simplify right side
    130,215.44x = 9,206,280,175.84
  5. Step 5: Solve for x
    x = 9,206,280,175.84/130,215.44
  6. Step 6: Final answer
    x = 70,700.37

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1.5x scale

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.