Home / 108,681.36-150,005.16-63,995.28

Finding the Fourth Proportional to 108,681.36, 150,005.16 and 63,995.28

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Solution

The fourth proportional to 108,681.36, 150,005.16 and 63,995.28 is: 88,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,681.36 : 150,005.16 = 63,995.28 : x
  2. Step 2: Convert to fraction form
    108,681.36/150,005.16 = 63,995.28/x
  3. Step 3: Cross multiply
    108,681.36x = 150,005.16 × 63,995.28
  4. Step 4: Simplify right side
    108,681.36x = 9,599,622,215.64
  5. Step 5: Solve for x
    x = 9,599,622,215.64/108,681.36
  6. Step 6: Final answer
    x = 88,328.14

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1.5x scale

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.