Home / 126,498.41-189,683.14-42,228.28

Finding the Fourth Proportional to 126,498.41, 189,683.14 and 42,228.28

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Solution

The fourth proportional to 126,498.41, 189,683.14 and 42,228.28 is: 63,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,498.41 : 189,683.14 = 42,228.28 : x
  2. Step 2: Convert to fraction form
    126,498.41/189,683.14 = 42,228.28/x
  3. Step 3: Cross multiply
    126,498.41x = 189,683.14 × 42,228.28
  4. Step 4: Simplify right side
    126,498.41x = 8,009,992,536.06
  5. Step 5: Solve for x
    x = 8,009,992,536.06/126,498.41
  6. Step 6: Final answer
    x = 63,320.90

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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.