Home / 108,127.10-162,225.35-51,971.28

Finding the Fourth Proportional to 108,127.10, 162,225.35 and 51,971.28

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Solution

The fourth proportional to 108,127.10, 162,225.35 and 51,971.28 is: 77,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,127.10 : 162,225.35 = 51,971.28 : x
  2. Step 2: Convert to fraction form
    108,127.10/162,225.35 = 51,971.28/x
  3. Step 3: Cross multiply
    108,127.10x = 162,225.35 × 51,971.28
  4. Step 4: Simplify right side
    108,127.10x = 8,431,058,317.19
  5. Step 5: Solve for x
    x = 8,431,058,317.19/108,127.10
  6. Step 6: Final answer
    x = 77,973.59

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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.