Home / 136,041.08-187,727.60-75,607.80

Finding the Fourth Proportional to 136,041.08, 187,727.60 and 75,607.80

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Solution

The fourth proportional to 136,041.08, 187,727.60 and 75,607.80 is: 104,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,041.08 : 187,727.60 = 75,607.80 : x
  2. Step 2: Convert to fraction form
    136,041.08/187,727.60 = 75,607.80/x
  3. Step 3: Cross multiply
    136,041.08x = 187,727.60 × 75,607.80
  4. Step 4: Simplify right side
    136,041.08x = 14,193,670,835.28
  5. Step 5: Solve for x
    x = 14,193,670,835.28/136,041.08
  6. Step 6: Final answer
    x = 104,333.71

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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.