Home / 239,133.60-329,991.72-137,153.82

Finding the Fourth Proportional to 239,133.60, 329,991.72 and 137,153.82

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Solution

The fourth proportional to 239,133.60, 329,991.72 and 137,153.82 is: 189,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,133.60 : 329,991.72 = 137,153.82 : x
  2. Step 2: Convert to fraction form
    239,133.60/329,991.72 = 137,153.82/x
  3. Step 3: Cross multiply
    239,133.60x = 329,991.72 × 137,153.82
  4. Step 4: Simplify right side
    239,133.60x = 45,259,624,966.37
  5. Step 5: Solve for x
    x = 45,259,624,966.37/239,133.60
  6. Step 6: Final answer
    x = 189,265.02

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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.