Home / 84,735.63-126,903.02-73,581.72

Finding the Fourth Proportional to 84,735.63, 126,903.02 and 73,581.72

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Solution

The fourth proportional to 84,735.63, 126,903.02 and 73,581.72 is: 110,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.63 : 126,903.02 = 73,581.72 : x
  2. Step 2: Convert to fraction form
    84,735.63/126,903.02 = 73,581.72/x
  3. Step 3: Cross multiply
    84,735.63x = 126,903.02 × 73,581.72
  4. Step 4: Simplify right side
    84,735.63x = 9,337,742,116.89
  5. Step 5: Solve for x
    x = 9,337,742,116.89/84,735.63
  6. Step 6: Final answer
    x = 110,198.53

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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.