Home / 212,729.11-293,566.16-117,235.80

Finding the Fourth Proportional to 212,729.11, 293,566.16 and 117,235.80

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Solution

The fourth proportional to 212,729.11, 293,566.16 and 117,235.80 is: 161,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,729.11 : 293,566.16 = 117,235.80 : x
  2. Step 2: Convert to fraction form
    212,729.11/293,566.16 = 117,235.80/x
  3. Step 3: Cross multiply
    212,729.11x = 293,566.16 × 117,235.80
  4. Step 4: Simplify right side
    212,729.11x = 34,416,463,620.53
  5. Step 5: Solve for x
    x = 34,416,463,620.53/212,729.11
  6. Step 6: Final answer
    x = 161,785.40

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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.