Home / 211,911.72-292,438.29-116,424.57

Finding the Fourth Proportional to 211,911.72, 292,438.29 and 116,424.57

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Solution

The fourth proportional to 211,911.72, 292,438.29 and 116,424.57 is: 160,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,911.72 : 292,438.29 = 116,424.57 : x
  2. Step 2: Convert to fraction form
    211,911.72/292,438.29 = 116,424.57/x
  3. Step 3: Cross multiply
    211,911.72x = 292,438.29 × 116,424.57
  4. Step 4: Simplify right side
    211,911.72x = 34,047,002,164.79
  5. Step 5: Solve for x
    x = 34,047,002,164.79/211,911.72
  6. Step 6: Final answer
    x = 160,665.97

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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.