Home / 212,870.64-293,774.82-117,377.28

Finding the Fourth Proportional to 212,870.64, 293,774.82 and 117,377.28

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Solution

The fourth proportional to 212,870.64, 293,774.82 and 117,377.28 is: 161,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870.64 : 293,774.82 = 117,377.28 : x
  2. Step 2: Convert to fraction form
    212,870.64/293,774.82 = 117,377.28/x
  3. Step 3: Cross multiply
    212,870.64x = 293,774.82 × 117,377.28
  4. Step 4: Simplify right side
    212,870.64x = 34,482,489,304.09
  5. Step 5: Solve for x
    x = 34,482,489,304.09/212,870.64
  6. Step 6: Final answer
    x = 161,988.00

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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.