Home / 84,637.96-126,931.38-25,457.92

Finding the Fourth Proportional to 84,637.96, 126,931.38 and 25,457.92

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Solution

The fourth proportional to 84,637.96, 126,931.38 and 25,457.92 is: 38,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.96 : 126,931.38 = 25,457.92 : x
  2. Step 2: Convert to fraction form
    84,637.96/126,931.38 = 25,457.92/x
  3. Step 3: Cross multiply
    84,637.96x = 126,931.38 × 25,457.92
  4. Step 4: Simplify right side
    84,637.96x = 3,231,408,917.53
  5. Step 5: Solve for x
    x = 3,231,408,917.53/84,637.96
  6. Step 6: Final answer
    x = 38,179.19

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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.