Home / 124,488.78-171,794.16-67,899.75

Finding the Fourth Proportional to 124,488.78, 171,794.16 and 67,899.75

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Solution

The fourth proportional to 124,488.78, 171,794.16 and 67,899.75 is: 93,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488.78 : 171,794.16 = 67,899.75 : x
  2. Step 2: Convert to fraction form
    124,488.78/171,794.16 = 67,899.75/x
  3. Step 3: Cross multiply
    124,488.78x = 171,794.16 × 67,899.75
  4. Step 4: Simplify right side
    124,488.78x = 11,664,780,515.46
  5. Step 5: Solve for x
    x = 11,664,780,515.46/124,488.78
  6. Step 6: Final answer
    x = 93,701.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.