Home / 239,865.60-331,025.28-137,924.16

Finding the Fourth Proportional to 239,865.60, 331,025.28 and 137,924.16

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Solution

The fourth proportional to 239,865.60, 331,025.28 and 137,924.16 is: 190,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,865.60 : 331,025.28 = 137,924.16 : x
  2. Step 2: Convert to fraction form
    239,865.60/331,025.28 = 137,924.16/x
  3. Step 3: Cross multiply
    239,865.60x = 331,025.28 × 137,924.16
  4. Step 4: Simplify right side
    239,865.60x = 45,656,383,682.76
  5. Step 5: Solve for x
    x = 45,656,383,682.76/239,865.60
  6. Step 6: Final answer
    x = 190,341.52

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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.