Home / 108,025.80-162,038.70-101,902.20

Finding the Fourth Proportional to 108,025.80, 162,038.70 and 101,902.20

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Solution

The fourth proportional to 108,025.80, 162,038.70 and 101,902.20 is: 152,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,025.80 : 162,038.70 = 101,902.20 : x
  2. Step 2: Convert to fraction form
    108,025.80/162,038.70 = 101,902.20/x
  3. Step 3: Cross multiply
    108,025.80x = 162,038.70 × 101,902.20
  4. Step 4: Simplify right side
    108,025.80x = 16,512,100,015.14
  5. Step 5: Solve for x
    x = 16,512,100,015.14/108,025.80
  6. Step 6: Final answer
    x = 152,853.30

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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.