Home / 108,564.60-162,846.90-89,902.20

Finding the Fourth Proportional to 108,564.60, 162,846.90 and 89,902.20

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Solution

The fourth proportional to 108,564.60, 162,846.90 and 89,902.20 is: 134,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,564.60 : 162,846.90 = 89,902.20 : x
  2. Step 2: Convert to fraction form
    108,564.60/162,846.90 = 89,902.20/x
  3. Step 3: Cross multiply
    108,564.60x = 162,846.90 × 89,902.20
  4. Step 4: Simplify right side
    108,564.60x = 14,640,294,573.18
  5. Step 5: Solve for x
    x = 14,640,294,573.18/108,564.60
  6. Step 6: Final answer
    x = 134,853.30

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1.5x scale

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.