Home / 108,444.90-149,632.69-68,135.31

Finding the Fourth Proportional to 108,444.90, 149,632.69 and 68,135.31

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Solution

The fourth proportional to 108,444.90, 149,632.69 and 68,135.31 is: 94,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,444.90 : 149,632.69 = 68,135.31 : x
  2. Step 2: Convert to fraction form
    108,444.90/149,632.69 = 68,135.31/x
  3. Step 3: Cross multiply
    108,444.90x = 149,632.69 × 68,135.31
  4. Step 4: Simplify right side
    108,444.90x = 10,195,269,307.21
  5. Step 5: Solve for x
    x = 10,195,269,307.21/108,444.90
  6. Step 6: Final answer
    x = 94,013.36

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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.