Home / 212,830.84-293,708.73-117,340.95

Finding the Fourth Proportional to 212,830.84, 293,708.73 and 117,340.95

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Solution

The fourth proportional to 212,830.84, 293,708.73 and 117,340.95 is: 161,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,830.84 : 293,708.73 = 117,340.95 : x
  2. Step 2: Convert to fraction form
    212,830.84/293,708.73 = 117,340.95/x
  3. Step 3: Cross multiply
    212,830.84x = 293,708.73 × 117,340.95
  4. Step 4: Simplify right side
    212,830.84x = 34,464,062,942.93
  5. Step 5: Solve for x
    x = 34,464,062,942.93/212,830.84
  6. Step 6: Final answer
    x = 161,931.71

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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.