Home / 108,516.90-162,783.45-38,387.10

Finding the Fourth Proportional to 108,516.90, 162,783.45 and 38,387.10

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Solution

The fourth proportional to 108,516.90, 162,783.45 and 38,387.10 is: 57,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,516.90 : 162,783.45 = 38,387.10 : x
  2. Step 2: Convert to fraction form
    108,516.90/162,783.45 = 38,387.10/x
  3. Step 3: Cross multiply
    108,516.90x = 162,783.45 × 38,387.10
  4. Step 4: Simplify right side
    108,516.90x = 6,248,784,573.50
  5. Step 5: Solve for x
    x = 6,248,784,573.50/108,516.90
  6. Step 6: Final answer
    x = 57,583.52

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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.