Home / 125,979.37-173,851.51-69,390.75

Finding the Fourth Proportional to 125,979.37, 173,851.51 and 69,390.75

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Solution

The fourth proportional to 125,979.37, 173,851.51 and 69,390.75 is: 95,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,979.37 : 173,851.51 = 69,390.75 : x
  2. Step 2: Convert to fraction form
    125,979.37/173,851.51 = 69,390.75/x
  3. Step 3: Cross multiply
    125,979.37x = 173,851.51 × 69,390.75
  4. Step 4: Simplify right side
    125,979.37x = 12,063,686,667.53
  5. Step 5: Solve for x
    x = 12,063,686,667.53/125,979.37
  6. Step 6: Final answer
    x = 95,759.22

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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.