Home / 212,829.30-293,721.93-117,345.06

Finding the Fourth Proportional to 212,829.30, 293,721.93 and 117,345.06

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Solution

The fourth proportional to 212,829.30, 293,721.93 and 117,345.06 is: 161,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,829.30 : 293,721.93 = 117,345.06 : x
  2. Step 2: Convert to fraction form
    212,829.30/293,721.93 = 117,345.06/x
  3. Step 3: Cross multiply
    212,829.30x = 293,721.93 × 117,345.06
  4. Step 4: Simplify right side
    212,829.30x = 34,466,817,499.17
  5. Step 5: Solve for x
    x = 34,466,817,499.17/212,829.30
  6. Step 6: Final answer
    x = 161,945.83

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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.