Home / 124,928.50-187,412.40-53,871.34

Finding the Fourth Proportional to 124,928.50, 187,412.40 and 53,871.34

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Solution

The fourth proportional to 124,928.50, 187,412.40 and 53,871.34 is: 80,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.50 : 187,412.40 = 53,871.34 : x
  2. Step 2: Convert to fraction form
    124,928.50/187,412.40 = 53,871.34/x
  3. Step 3: Cross multiply
    124,928.50x = 187,412.40 × 53,871.34
  4. Step 4: Simplify right side
    124,928.50x = 10,096,157,120.62
  5. Step 5: Solve for x
    x = 10,096,157,120.62/124,928.50
  6. Step 6: Final answer
    x = 80,815.48

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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.