Home / 212,740.45-293,581.22-117,247.12

Finding the Fourth Proportional to 212,740.45, 293,581.22 and 117,247.12

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Solution

The fourth proportional to 212,740.45, 293,581.22 and 117,247.12 is: 161,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,740.45 : 293,581.22 = 117,247.12 : x
  2. Step 2: Convert to fraction form
    212,740.45/293,581.22 = 117,247.12/x
  3. Step 3: Cross multiply
    212,740.45x = 293,581.22 × 117,247.12
  4. Step 4: Simplify right side
    212,740.45x = 34,421,552,531.09
  5. Step 5: Solve for x
    x = 34,421,552,531.09/212,740.45
  6. Step 6: Final answer
    x = 161,800.69

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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.