Home / 126,948.12-190,438.56-42,671.94

Finding the Fourth Proportional to 126,948.12, 190,438.56 and 42,671.94

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Solution

The fourth proportional to 126,948.12, 190,438.56 and 42,671.94 is: 64,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,948.12 : 190,438.56 = 42,671.94 : x
  2. Step 2: Convert to fraction form
    126,948.12/190,438.56 = 42,671.94/x
  3. Step 3: Cross multiply
    126,948.12x = 190,438.56 × 42,671.94
  4. Step 4: Simplify right side
    126,948.12x = 8,126,382,806.01
  5. Step 5: Solve for x
    x = 8,126,382,806.01/126,948.12
  6. Step 6: Final answer
    x = 64,013.42

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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.