Home / 108,107.24-162,160.84-78,712.14

Finding the Fourth Proportional to 108,107.24, 162,160.84 and 78,712.14

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Solution

The fourth proportional to 108,107.24, 162,160.84 and 78,712.14 is: 118,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,107.24 : 162,160.84 = 78,712.14 : x
  2. Step 2: Convert to fraction form
    108,107.24/162,160.84 = 78,712.14/x
  3. Step 3: Cross multiply
    108,107.24x = 162,160.84 × 78,712.14
  4. Step 4: Simplify right side
    108,107.24x = 12,764,026,740.60
  5. Step 5: Solve for x
    x = 12,764,026,740.60/108,107.24
  6. Step 6: Final answer
    x = 118,068.20

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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.