Home / 212,783.16-293,640.68-117,291.45

Finding the Fourth Proportional to 212,783.16, 293,640.68 and 117,291.45

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Solution

The fourth proportional to 212,783.16, 293,640.68 and 117,291.45 is: 161,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,783.16 : 293,640.68 = 117,291.45 : x
  2. Step 2: Convert to fraction form
    212,783.16/293,640.68 = 117,291.45/x
  3. Step 3: Cross multiply
    212,783.16x = 293,640.68 × 117,291.45
  4. Step 4: Simplify right side
    212,783.16x = 34,441,539,667.98
  5. Step 5: Solve for x
    x = 34,441,539,667.98/212,783.16
  6. Step 6: Final answer
    x = 161,862.15

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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.