Home / 108,884.85-150,262.86-61,137.17

Finding the Fourth Proportional to 108,884.85, 150,262.86 and 61,137.17

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Solution

The fourth proportional to 108,884.85, 150,262.86 and 61,137.17 is: 84,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,884.85 : 150,262.86 = 61,137.17 : x
  2. Step 2: Convert to fraction form
    108,884.85/150,262.86 = 61,137.17/x
  3. Step 3: Cross multiply
    108,884.85x = 150,262.86 × 61,137.17
  4. Step 4: Simplify right side
    108,884.85x = 9,186,646,016.51
  5. Step 5: Solve for x
    x = 9,186,646,016.51/108,884.85
  6. Step 6: Final answer
    x = 84,370.29

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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.