Home / 108,384.40-162,576.60-103,200.40

Finding the Fourth Proportional to 108,384.40, 162,576.60 and 103,200.40

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Solution

The fourth proportional to 108,384.40, 162,576.60 and 103,200.40 is: 154,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,384.40 : 162,576.60 = 103,200.40 : x
  2. Step 2: Convert to fraction form
    108,384.40/162,576.60 = 103,200.40/x
  3. Step 3: Cross multiply
    108,384.40x = 162,576.60 × 103,200.40
  4. Step 4: Simplify right side
    108,384.40x = 16,777,970,150.64
  5. Step 5: Solve for x
    x = 16,777,970,150.64/108,384.40
  6. Step 6: Final answer
    x = 154,800.60

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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.