Home / 108,359.05-149,546.74-62,420.29

Finding the Fourth Proportional to 108,359.05, 149,546.74 and 62,420.29

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Solution

The fourth proportional to 108,359.05, 149,546.74 and 62,420.29 is: 86,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,359.05 : 149,546.74 = 62,420.29 : x
  2. Step 2: Convert to fraction form
    108,359.05/149,546.74 = 62,420.29/x
  3. Step 3: Cross multiply
    108,359.05x = 149,546.74 × 62,420.29
  4. Step 4: Simplify right side
    108,359.05x = 9,334,750,466.48
  5. Step 5: Solve for x
    x = 9,334,750,466.48/108,359.05
  6. Step 6: Final answer
    x = 86,146.48

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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.