Home / 126,806.93-190,293.42-47,921.15

Finding the Fourth Proportional to 126,806.93, 190,293.42 and 47,921.15

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Solution

The fourth proportional to 126,806.93, 190,293.42 and 47,921.15 is: 71,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,806.93 : 190,293.42 = 47,921.15 : x
  2. Step 2: Convert to fraction form
    126,806.93/190,293.42 = 47,921.15/x
  3. Step 3: Cross multiply
    126,806.93x = 190,293.42 × 47,921.15
  4. Step 4: Simplify right side
    126,806.93x = 9,119,078,572.37
  5. Step 5: Solve for x
    x = 9,119,078,572.37/126,806.93
  6. Step 6: Final answer
    x = 71,913.10

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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.