Home / 108,529.40-162,875.10-55,911.80

Finding the Fourth Proportional to 108,529.40, 162,875.10 and 55,911.80

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Solution

The fourth proportional to 108,529.40, 162,875.10 and 55,911.80 is: 83,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.40 : 162,875.10 = 55,911.80 : x
  2. Step 2: Convert to fraction form
    108,529.40/162,875.10 = 55,911.80/x
  3. Step 3: Cross multiply
    108,529.40x = 162,875.10 × 55,911.80
  4. Step 4: Simplify right side
    108,529.40x = 9,106,640,016.18
  5. Step 5: Solve for x
    x = 9,106,640,016.18/108,529.40
  6. Step 6: Final answer
    x = 83,909.43

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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.