Home / 125,530.91-173,234.02-68,942.28

Finding the Fourth Proportional to 125,530.91, 173,234.02 and 68,942.28

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Solution

The fourth proportional to 125,530.91, 173,234.02 and 68,942.28 is: 95,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.91 : 173,234.02 = 68,942.28 : x
  2. Step 2: Convert to fraction form
    125,530.91/173,234.02 = 68,942.28/x
  3. Step 3: Cross multiply
    125,530.91x = 173,234.02 × 68,942.28
  4. Step 4: Simplify right side
    125,530.91x = 11,943,148,312.37
  5. Step 5: Solve for x
    x = 11,943,148,312.37/125,530.91
  6. Step 6: Final answer
    x = 95,141.10

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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.