Home / 108,988.13-150,375.89-63,637.25

Finding the Fourth Proportional to 108,988.13, 150,375.89 and 63,637.25

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Solution

The fourth proportional to 108,988.13, 150,375.89 and 63,637.25 is: 87,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,988.13 : 150,375.89 = 63,637.25 : x
  2. Step 2: Convert to fraction form
    108,988.13/150,375.89 = 63,637.25/x
  3. Step 3: Cross multiply
    108,988.13x = 150,375.89 × 63,637.25
  4. Step 4: Simplify right side
    108,988.13x = 9,569,507,513.12
  5. Step 5: Solve for x
    x = 9,569,507,513.12/108,988.13
  6. Step 6: Final answer
    x = 87,803.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.