Home / 212,699.08-293,530.90-117,211.92

Finding the Fourth Proportional to 212,699.08, 293,530.90 and 117,211.92

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Solution

The fourth proportional to 212,699.08, 293,530.90 and 117,211.92 is: 161,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,699.08 : 293,530.90 = 117,211.92 : x
  2. Step 2: Convert to fraction form
    212,699.08/293,530.90 = 117,211.92/x
  3. Step 3: Cross multiply
    212,699.08x = 293,530.90 × 117,211.92
  4. Step 4: Simplify right side
    212,699.08x = 34,405,320,368.33
  5. Step 5: Solve for x
    x = 34,405,320,368.33/212,699.08
  6. Step 6: Final answer
    x = 161,755.85

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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.