Home / 212,825.76-293,701.56-117,335.88

Finding the Fourth Proportional to 212,825.76, 293,701.56 and 117,335.88

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Solution

The fourth proportional to 212,825.76, 293,701.56 and 117,335.88 is: 161,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,825.76 : 293,701.56 = 117,335.88 : x
  2. Step 2: Convert to fraction form
    212,825.76/293,701.56 = 117,335.88/x
  3. Step 3: Cross multiply
    212,825.76x = 293,701.56 × 117,335.88
  4. Step 4: Simplify right side
    212,825.76x = 34,461,730,999.97
  5. Step 5: Solve for x
    x = 34,461,730,999.97/212,825.76
  6. Step 6: Final answer
    x = 161,924.62

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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.