Home / 124,717.32-187,118.91-68,485.50

Finding the Fourth Proportional to 124,717.32, 187,118.91 and 68,485.50

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Solution

The fourth proportional to 124,717.32, 187,118.91 and 68,485.50 is: 102,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,717.32 : 187,118.91 = 68,485.50 : x
  2. Step 2: Convert to fraction form
    124,717.32/187,118.91 = 68,485.50/x
  3. Step 3: Cross multiply
    124,717.32x = 187,118.91 × 68,485.50
  4. Step 4: Simplify right side
    124,717.32x = 12,814,932,110.81
  5. Step 5: Solve for x
    x = 12,814,932,110.81/124,717.32
  6. Step 6: Final answer
    x = 102,751.82

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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.