Home / 125,074.56-172,601.18-68,485.94

Finding the Fourth Proportional to 125,074.56, 172,601.18 and 68,485.94

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Solution

The fourth proportional to 125,074.56, 172,601.18 and 68,485.94 is: 94,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,074.56 : 172,601.18 = 68,485.94 : x
  2. Step 2: Convert to fraction form
    125,074.56/172,601.18 = 68,485.94/x
  3. Step 3: Cross multiply
    125,074.56x = 172,601.18 × 68,485.94
  4. Step 4: Simplify right side
    125,074.56x = 11,820,754,057.41
  5. Step 5: Solve for x
    x = 11,820,754,057.41/125,074.56
  6. Step 6: Final answer
    x = 94,509.66

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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.