Home / 126,752.18-190,127.75-31,982.58

Finding the Fourth Proportional to 126,752.18, 190,127.75 and 31,982.58

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Solution

The fourth proportional to 126,752.18, 190,127.75 and 31,982.58 is: 47,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,752.18 : 190,127.75 = 31,982.58 : x
  2. Step 2: Convert to fraction form
    126,752.18/190,127.75 = 31,982.58/x
  3. Step 3: Cross multiply
    126,752.18x = 190,127.75 × 31,982.58
  4. Step 4: Simplify right side
    126,752.18x = 6,080,775,814.68
  5. Step 5: Solve for x
    x = 6,080,775,814.68/126,752.18
  6. Step 6: Final answer
    x = 47,973.74

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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.