Home / 141,391.54-195,124.05-77,730.94

Finding the Fourth Proportional to 141,391.54, 195,124.05 and 77,730.94

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Solution

The fourth proportional to 141,391.54, 195,124.05 and 77,730.94 is: 107,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,391.54 : 195,124.05 = 77,730.94 : x
  2. Step 2: Convert to fraction form
    141,391.54/195,124.05 = 77,730.94/x
  3. Step 3: Cross multiply
    141,391.54x = 195,124.05 × 77,730.94
  4. Step 4: Simplify right side
    141,391.54x = 15,167,175,823.11
  5. Step 5: Solve for x
    x = 15,167,175,823.11/141,391.54
  6. Step 6: Final answer
    x = 107,270.74

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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.