Home / 125,734.36-173,334.36-100,015.24

Finding the Fourth Proportional to 125,734.36, 173,334.36 and 100,015.24

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Solution

The fourth proportional to 125,734.36, 173,334.36 and 100,015.24 is: 137,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,734.36 : 173,334.36 = 100,015.24 : x
  2. Step 2: Convert to fraction form
    125,734.36/173,334.36 = 100,015.24/x
  3. Step 3: Cross multiply
    125,734.36x = 173,334.36 × 100,015.24
  4. Step 4: Simplify right side
    125,734.36x = 17,336,077,615.65
  5. Step 5: Solve for x
    x = 17,336,077,615.65/125,734.36
  6. Step 6: Final answer
    x = 137,878.60

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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.