Home / 212,707.08-293,536.31-115,911.68

Finding the Fourth Proportional to 212,707.08, 293,536.31 and 115,911.68

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Solution

The fourth proportional to 212,707.08, 293,536.31 and 115,911.68 is: 159,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,707.08 : 293,536.31 = 115,911.68 : x
  2. Step 2: Convert to fraction form
    212,707.08/293,536.31 = 115,911.68/x
  3. Step 3: Cross multiply
    212,707.08x = 293,536.31 × 115,911.68
  4. Step 4: Simplify right side
    212,707.08x = 34,024,284,785.86
  5. Step 5: Solve for x
    x = 34,024,284,785.86/212,707.08
  6. Step 6: Final answer
    x = 159,958.40

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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.