Home / 239,094.69-329,851.64-142,279.16

Finding the Fourth Proportional to 239,094.69, 329,851.64 and 142,279.16

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Solution

The fourth proportional to 239,094.69, 329,851.64 and 142,279.16 is: 196,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,094.69 : 329,851.64 = 142,279.16 : x
  2. Step 2: Convert to fraction form
    239,094.69/329,851.64 = 142,279.16/x
  3. Step 3: Cross multiply
    239,094.69x = 329,851.64 × 142,279.16
  4. Step 4: Simplify right side
    239,094.69x = 46,931,012,970.26
  5. Step 5: Solve for x
    x = 46,931,012,970.26/239,094.69
  6. Step 6: Final answer
    x = 196,286.31

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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.