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Finding the Fourth Proportional to 108,292.70, 162,439.05 and 103,627.10

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Solution

The fourth proportional to 108,292.70, 162,439.05 and 103,627.10 is: 155,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,292.70 : 162,439.05 = 103,627.10 : x
  2. Step 2: Convert to fraction form
    108,292.70/162,439.05 = 103,627.10/x
  3. Step 3: Cross multiply
    108,292.70x = 162,439.05 × 103,627.10
  4. Step 4: Simplify right side
    108,292.70x = 16,833,087,678.26
  5. Step 5: Solve for x
    x = 16,833,087,678.26/108,292.70
  6. Step 6: Final answer
    x = 155,440.65

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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.