Home / 239,319.04-330,258.72-131,889.20

Finding the Fourth Proportional to 239,319.04, 330,258.72 and 131,889.20

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Solution

The fourth proportional to 239,319.04, 330,258.72 and 131,889.20 is: 182,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,319.04 : 330,258.72 = 131,889.20 : x
  2. Step 2: Convert to fraction form
    239,319.04/330,258.72 = 131,889.20/x
  3. Step 3: Cross multiply
    239,319.04x = 330,258.72 × 131,889.20
  4. Step 4: Simplify right side
    239,319.04x = 43,557,558,373.82
  5. Step 5: Solve for x
    x = 43,557,558,373.82/239,319.04
  6. Step 6: Final answer
    x = 182,006.24

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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.