Home / 108,858.87-150,225.13-61,112.31

Finding the Fourth Proportional to 108,858.87, 150,225.13 and 61,112.31

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Solution

The fourth proportional to 108,858.87, 150,225.13 and 61,112.31 is: 84,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.87 : 150,225.13 = 61,112.31 : x
  2. Step 2: Convert to fraction form
    108,858.87/150,225.13 = 61,112.31/x
  3. Step 3: Cross multiply
    108,858.87x = 150,225.13 × 61,112.31
  4. Step 4: Simplify right side
    108,858.87x = 9,180,604,227.40
  5. Step 5: Solve for x
    x = 9,180,604,227.40/108,858.87
  6. Step 6: Final answer
    x = 84,334.92

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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.