Home / 117,007.90-175,511.85-72,490.30

Finding the Fourth Proportional to 117,007.90, 175,511.85 and 72,490.30

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Solution

The fourth proportional to 117,007.90, 175,511.85 and 72,490.30 is: 108,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.90 : 175,511.85 = 72,490.30 : x
  2. Step 2: Convert to fraction form
    117,007.90/175,511.85 = 72,490.30/x
  3. Step 3: Cross multiply
    117,007.90x = 175,511.85 × 72,490.30
  4. Step 4: Simplify right side
    117,007.90x = 12,722,906,660.06
  5. Step 5: Solve for x
    x = 12,722,906,660.06/117,007.90
  6. Step 6: Final answer
    x = 108,735.45

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1.5x scale

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.