Home / 212,711.16-293,543.34-117,221.28

Finding the Fourth Proportional to 212,711.16, 293,543.34 and 117,221.28

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Solution

The fourth proportional to 212,711.16, 293,543.34 and 117,221.28 is: 161,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.16 : 293,543.34 = 117,221.28 : x
  2. Step 2: Convert to fraction form
    212,711.16/293,543.34 = 117,221.28/x
  3. Step 3: Cross multiply
    212,711.16x = 293,543.34 × 117,221.28
  4. Step 4: Simplify right side
    212,711.16x = 34,409,526,050.28
  5. Step 5: Solve for x
    x = 34,409,526,050.28/212,711.16
  6. Step 6: Final answer
    x = 161,766.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.