Home / 125,629.61-173,383.61-74,642.75

Finding the Fourth Proportional to 125,629.61, 173,383.61 and 74,642.75

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Solution

The fourth proportional to 125,629.61, 173,383.61 and 74,642.75 is: 103,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,629.61 : 173,383.61 = 74,642.75 : x
  2. Step 2: Convert to fraction form
    125,629.61/173,383.61 = 74,642.75/x
  3. Step 3: Cross multiply
    125,629.61x = 173,383.61 × 74,642.75
  4. Step 4: Simplify right side
    125,629.61x = 12,941,828,865.38
  5. Step 5: Solve for x
    x = 12,941,828,865.38/125,629.61
  6. Step 6: Final answer
    x = 103,015.76

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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.