Home / 125,074.33-172,600.85-68,485.70

Finding the Fourth Proportional to 125,074.33, 172,600.85 and 68,485.70

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Solution

The fourth proportional to 125,074.33, 172,600.85 and 68,485.70 is: 94,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,074.33 : 172,600.85 = 68,485.70 : x
  2. Step 2: Convert to fraction form
    125,074.33/172,600.85 = 68,485.70/x
  3. Step 3: Cross multiply
    125,074.33x = 172,600.85 × 68,485.70
  4. Step 4: Simplify right side
    125,074.33x = 11,820,689,690.42
  5. Step 5: Solve for x
    x = 11,820,689,690.42/125,074.33
  6. Step 6: Final answer
    x = 94,509.32

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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.