Home / 212,678.26-293,516.68-158,869.86

Finding the Fourth Proportional to 212,678.26, 293,516.68 and 158,869.86

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Solution

The fourth proportional to 212,678.26, 293,516.68 and 158,869.86 is: 219,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,678.26 : 293,516.68 = 158,869.86 : x
  2. Step 2: Convert to fraction form
    212,678.26/293,516.68 = 158,869.86/x
  3. Step 3: Cross multiply
    212,678.26x = 293,516.68 × 158,869.86
  4. Step 4: Simplify right side
    212,678.26x = 46,630,953,507.51
  5. Step 5: Solve for x
    x = 46,630,953,507.51/212,678.26
  6. Step 6: Final answer
    x = 219,255.85

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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.