Home / 170,380.52-255,552.98-75,612.32

Finding the Fourth Proportional to 170,380.52, 255,552.98 and 75,612.32

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Solution

The fourth proportional to 170,380.52, 255,552.98 and 75,612.32 is: 113,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,380.52 : 255,552.98 = 75,612.32 : x
  2. Step 2: Convert to fraction form
    170,380.52/255,552.98 = 75,612.32/x
  3. Step 3: Cross multiply
    170,380.52x = 255,552.98 × 75,612.32
  4. Step 4: Simplify right side
    170,380.52x = 19,322,953,700.71
  5. Step 5: Solve for x
    x = 19,322,953,700.71/170,380.52
  6. Step 6: Final answer
    x = 113,410.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.