Home / 212,690.40-293,525.64-117,196.98

Finding the Fourth Proportional to 212,690.40, 293,525.64 and 117,196.98

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Solution

The fourth proportional to 212,690.40, 293,525.64 and 117,196.98 is: 161,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,690.40 : 293,525.64 = 117,196.98 : x
  2. Step 2: Convert to fraction form
    212,690.40/293,525.64 = 117,196.98/x
  3. Step 3: Cross multiply
    212,690.40x = 293,525.64 × 117,196.98
  4. Step 4: Simplify right side
    212,690.40x = 34,400,318,560.57
  5. Step 5: Solve for x
    x = 34,400,318,560.57/212,690.40
  6. Step 6: Final answer
    x = 161,738.93

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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.