Home / 212,808.45-293,673.74-117,315.15

Finding the Fourth Proportional to 212,808.45, 293,673.74 and 117,315.15

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Solution

The fourth proportional to 212,808.45, 293,673.74 and 117,315.15 is: 161,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,808.45 : 293,673.74 = 117,315.15 : x
  2. Step 2: Convert to fraction form
    212,808.45/293,673.74 = 117,315.15/x
  3. Step 3: Cross multiply
    212,808.45x = 293,673.74 × 117,315.15
  4. Step 4: Simplify right side
    212,808.45x = 34,452,377,171.31
  5. Step 5: Solve for x
    x = 34,452,377,171.31/212,808.45
  6. Step 6: Final answer
    x = 161,893.84

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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.