Home / 236,727.50-326,683.94-129,297.78

Finding the Fourth Proportional to 236,727.50, 326,683.94 and 129,297.78

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Solution

The fourth proportional to 236,727.50, 326,683.94 and 129,297.78 is: 178,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,727.50 : 326,683.94 = 129,297.78 : x
  2. Step 2: Convert to fraction form
    236,727.50/326,683.94 = 129,297.78/x
  3. Step 3: Cross multiply
    236,727.50x = 326,683.94 × 129,297.78
  4. Step 4: Simplify right side
    236,727.50x = 42,239,508,203.65
  5. Step 5: Solve for x
    x = 42,239,508,203.65/236,727.50
  6. Step 6: Final answer
    x = 178,430.93

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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.