Home / 108,859.25-150,225.65-61,112.68

Finding the Fourth Proportional to 108,859.25, 150,225.65 and 61,112.68

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Solution

The fourth proportional to 108,859.25, 150,225.65 and 61,112.68 is: 84,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,859.25 : 150,225.65 = 61,112.68 : x
  2. Step 2: Convert to fraction form
    108,859.25/150,225.65 = 61,112.68/x
  3. Step 3: Cross multiply
    108,859.25x = 150,225.65 × 61,112.68
  4. Step 4: Simplify right side
    108,859.25x = 9,180,692,187.63
  5. Step 5: Solve for x
    x = 9,180,692,187.63/108,859.25
  6. Step 6: Final answer
    x = 84,335.44

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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.