Home / 125,029.12-172,544.24-68,440.50

Finding the Fourth Proportional to 125,029.12, 172,544.24 and 68,440.50

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Solution

The fourth proportional to 125,029.12, 172,544.24 and 68,440.50 is: 94,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,029.12 : 172,544.24 = 68,440.50 : x
  2. Step 2: Convert to fraction form
    125,029.12/172,544.24 = 68,440.50/x
  3. Step 3: Cross multiply
    125,029.12x = 172,544.24 × 68,440.50
  4. Step 4: Simplify right side
    125,029.12x = 11,809,014,057.72
  5. Step 5: Solve for x
    x = 11,809,014,057.72/125,029.12
  6. Step 6: Final answer
    x = 94,450.11

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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.