Home / 108,628.60-162,942.90-99,297.40

Finding the Fourth Proportional to 108,628.60, 162,942.90 and 99,297.40

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Solution

The fourth proportional to 108,628.60, 162,942.90 and 99,297.40 is: 148,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,628.60 : 162,942.90 = 99,297.40 : x
  2. Step 2: Convert to fraction form
    108,628.60/162,942.90 = 99,297.40/x
  3. Step 3: Cross multiply
    108,628.60x = 162,942.90 × 99,297.40
  4. Step 4: Simplify right side
    108,628.60x = 16,179,806,318.46
  5. Step 5: Solve for x
    x = 16,179,806,318.46/108,628.60
  6. Step 6: Final answer
    x = 148,946.10

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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.