Home / 108,421.90-162,661.20-41,864.20

Finding the Fourth Proportional to 108,421.90, 162,661.20 and 41,864.20

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Solution

The fourth proportional to 108,421.90, 162,661.20 and 41,864.20 is: 62,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,421.90 : 162,661.20 = 41,864.20 : x
  2. Step 2: Convert to fraction form
    108,421.90/162,661.20 = 41,864.20/x
  3. Step 3: Cross multiply
    108,421.90x = 162,661.20 × 41,864.20
  4. Step 4: Simplify right side
    108,421.90x = 6,809,681,009.04
  5. Step 5: Solve for x
    x = 6,809,681,009.04/108,421.90
  6. Step 6: Final answer
    x = 62,807.25

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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.