Home / 239,319.65-330,261.75-130,424.85

Finding the Fourth Proportional to 239,319.65, 330,261.75 and 130,424.85

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Solution

The fourth proportional to 239,319.65, 330,261.75 and 130,424.85 is: 179,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,319.65 : 330,261.75 = 130,424.85 : x
  2. Step 2: Convert to fraction form
    239,319.65/330,261.75 = 130,424.85/x
  3. Step 3: Cross multiply
    239,319.65x = 330,261.75 × 130,424.85
  4. Step 4: Simplify right side
    239,319.65x = 43,074,339,204.49
  5. Step 5: Solve for x
    x = 43,074,339,204.49/239,319.65
  6. Step 6: Final answer
    x = 179,986.64

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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.