Home / 212,365.12-293,065.68-116,878.72

Finding the Fourth Proportional to 212,365.12, 293,065.68 and 116,878.72

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Solution

The fourth proportional to 212,365.12, 293,065.68 and 116,878.72 is: 161,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365.12 : 293,065.68 = 116,878.72 : x
  2. Step 2: Convert to fraction form
    212,365.12/293,065.68 = 116,878.72/x
  3. Step 3: Cross multiply
    212,365.12x = 293,065.68 × 116,878.72
  4. Step 4: Simplify right side
    212,365.12x = 34,253,141,554.33
  5. Step 5: Solve for x
    x = 34,253,141,554.33/212,365.12
  6. Step 6: Final answer
    x = 161,293.63

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1.5x scale

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.