Home / 82,811.60-124,217.40-73,298.15

Finding the Fourth Proportional to 82,811.60, 124,217.40 and 73,298.15

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Solution

The fourth proportional to 82,811.60, 124,217.40 and 73,298.15 is: 109,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.60 : 124,217.40 = 73,298.15 : x
  2. Step 2: Convert to fraction form
    82,811.60/124,217.40 = 73,298.15/x
  3. Step 3: Cross multiply
    82,811.60x = 124,217.40 × 73,298.15
  4. Step 4: Simplify right side
    82,811.60x = 9,104,905,617.81
  5. Step 5: Solve for x
    x = 9,104,905,617.81/82,811.60
  6. Step 6: Final answer
    x = 109,947.23

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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.