Home / 212,817.29-293,690.12-117,327.39

Finding the Fourth Proportional to 212,817.29, 293,690.12 and 117,327.39

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Solution

The fourth proportional to 212,817.29, 293,690.12 and 117,327.39 is: 161,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,817.29 : 293,690.12 = 117,327.39 : x
  2. Step 2: Convert to fraction form
    212,817.29/293,690.12 = 117,327.39/x
  3. Step 3: Cross multiply
    212,817.29x = 293,690.12 × 117,327.39
  4. Step 4: Simplify right side
    212,817.29x = 34,457,894,661.75
  5. Step 5: Solve for x
    x = 34,457,894,661.75/212,817.29
  6. Step 6: Final answer
    x = 161,913.05

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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.