Home / 108,258.75-149,399.78-60,520.05

Finding the Fourth Proportional to 108,258.75, 149,399.78 and 60,520.05

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Solution

The fourth proportional to 108,258.75, 149,399.78 and 60,520.05 is: 83,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,258.75 : 149,399.78 = 60,520.05 : x
  2. Step 2: Convert to fraction form
    108,258.75/149,399.78 = 60,520.05/x
  3. Step 3: Cross multiply
    108,258.75x = 149,399.78 × 60,520.05
  4. Step 4: Simplify right side
    108,258.75x = 9,041,681,852.99
  5. Step 5: Solve for x
    x = 9,041,681,852.99/108,258.75
  6. Step 6: Final answer
    x = 83,519.18

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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.