Home / 239,809.02-330,937.24-132,378.80

Finding the Fourth Proportional to 239,809.02, 330,937.24 and 132,378.80

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Solution

The fourth proportional to 239,809.02, 330,937.24 and 132,378.80 is: 182,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,809.02 : 330,937.24 = 132,378.80 : x
  2. Step 2: Convert to fraction form
    239,809.02/330,937.24 = 132,378.80/x
  3. Step 3: Cross multiply
    239,809.02x = 330,937.24 × 132,378.80
  4. Step 4: Simplify right side
    239,809.02x = 43,809,074,706.51
  5. Step 5: Solve for x
    x = 43,809,074,706.51/239,809.02
  6. Step 6: Final answer
    x = 182,683.18

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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.