Home / 126,830.74-190,263.60-42,614.98

Finding the Fourth Proportional to 126,830.74, 190,263.60 and 42,614.98

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Solution

The fourth proportional to 126,830.74, 190,263.60 and 42,614.98 is: 63,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830.74 : 190,263.60 = 42,614.98 : x
  2. Step 2: Convert to fraction form
    126,830.74/190,263.60 = 42,614.98/x
  3. Step 3: Cross multiply
    126,830.74x = 190,263.60 × 42,614.98
  4. Step 4: Simplify right side
    126,830.74x = 8,108,079,508.73
  5. Step 5: Solve for x
    x = 8,108,079,508.73/126,830.74
  6. Step 6: Final answer
    x = 63,928.35

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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.