Home / 96,977.50-145,154.61-51,886.35

Finding the Fourth Proportional to 96,977.50, 145,154.61 and 51,886.35

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Solution

The fourth proportional to 96,977.50, 145,154.61 and 51,886.35 is: 77,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,977.50 : 145,154.61 = 51,886.35 : x
  2. Step 2: Convert to fraction form
    96,977.50/145,154.61 = 51,886.35/x
  3. Step 3: Cross multiply
    96,977.50x = 145,154.61 × 51,886.35
  4. Step 4: Simplify right side
    96,977.50x = 7,531,542,344.40
  5. Step 5: Solve for x
    x = 7,531,542,344.40/96,977.50
  6. Step 6: Final answer
    x = 77,662.78

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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.