Home / 108,205.07-149,320.13-60,458.81

Finding the Fourth Proportional to 108,205.07, 149,320.13 and 60,458.81

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Solution

The fourth proportional to 108,205.07, 149,320.13 and 60,458.81 is: 83,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,205.07 : 149,320.13 = 60,458.81 : x
  2. Step 2: Convert to fraction form
    108,205.07/149,320.13 = 60,458.81/x
  3. Step 3: Cross multiply
    108,205.07x = 149,320.13 × 60,458.81
  4. Step 4: Simplify right side
    108,205.07x = 9,027,716,319.95
  5. Step 5: Solve for x
    x = 9,027,716,319.95/108,205.07
  6. Step 6: Final answer
    x = 83,431.55

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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.