Home / 108,275.23-162,421.05-29,395.60

Finding the Fourth Proportional to 108,275.23, 162,421.05 and 29,395.60

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Solution

The fourth proportional to 108,275.23, 162,421.05 and 29,395.60 is: 44,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275.23 : 162,421.05 = 29,395.60 : x
  2. Step 2: Convert to fraction form
    108,275.23/162,421.05 = 29,395.60/x
  3. Step 3: Cross multiply
    108,275.23x = 162,421.05 × 29,395.60
  4. Step 4: Simplify right side
    108,275.23x = 4,774,464,217.38
  5. Step 5: Solve for x
    x = 4,774,464,217.38/108,275.23
  6. Step 6: Final answer
    x = 44,095.63

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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.