Home / 172,521.20-238,078.77-97,069.70

Finding the Fourth Proportional to 172,521.20, 238,078.77 and 97,069.70

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Solution

The fourth proportional to 172,521.20, 238,078.77 and 97,069.70 is: 133,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,521.20 : 238,078.77 = 97,069.70 : x
  2. Step 2: Convert to fraction form
    172,521.20/238,078.77 = 97,069.70/x
  3. Step 3: Cross multiply
    172,521.20x = 238,078.77 × 97,069.70
  4. Step 4: Simplify right side
    172,521.20x = 23,110,234,780.27
  5. Step 5: Solve for x
    x = 23,110,234,780.27/172,521.20
  6. Step 6: Final answer
    x = 133,955.91

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1.5x scale

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.