Home / 212,876.88-293,763.36-117,387.60

Finding the Fourth Proportional to 212,876.88, 293,763.36 and 117,387.60

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Solution

The fourth proportional to 212,876.88, 293,763.36 and 117,387.60 is: 161,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,876.88 : 293,763.36 = 117,387.60 : x
  2. Step 2: Convert to fraction form
    212,876.88/293,763.36 = 117,387.60/x
  3. Step 3: Cross multiply
    212,876.88x = 293,763.36 × 117,387.60
  4. Step 4: Simplify right side
    212,876.88x = 34,484,175,798.34
  5. Step 5: Solve for x
    x = 34,484,175,798.34/212,876.88
  6. Step 6: Final answer
    x = 161,991.17

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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.