Home / 239,190.09-329,955.66-142,325.16

Finding the Fourth Proportional to 239,190.09, 329,955.66 and 142,325.16

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Solution

The fourth proportional to 239,190.09, 329,955.66 and 142,325.16 is: 196,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,190.09 : 329,955.66 = 142,325.16 : x
  2. Step 2: Convert to fraction form
    239,190.09/329,955.66 = 142,325.16/x
  3. Step 3: Cross multiply
    239,190.09x = 329,955.66 × 142,325.16
  4. Step 4: Simplify right side
    239,190.09x = 46,960,992,102.41
  5. Step 5: Solve for x
    x = 46,960,992,102.41/239,190.09
  6. Step 6: Final answer
    x = 196,333.35

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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.