Home / 212,808.83-293,678.15-117,318.93

Finding the Fourth Proportional to 212,808.83, 293,678.15 and 117,318.93

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Solution

The fourth proportional to 212,808.83, 293,678.15 and 117,318.93 is: 161,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,808.83 : 293,678.15 = 117,318.93 : x
  2. Step 2: Convert to fraction form
    212,808.83/293,678.15 = 117,318.93/x
  3. Step 3: Cross multiply
    212,808.83x = 293,678.15 × 117,318.93
  4. Step 4: Simplify right side
    212,808.83x = 34,454,005,735.78
  5. Step 5: Solve for x
    x = 34,454,005,735.78/212,808.83
  6. Step 6: Final answer
    x = 161,901.21

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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.