Home / 211,689.72-292,131.68-119,807.33

Finding the Fourth Proportional to 211,689.72, 292,131.68 and 119,807.33

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Solution

The fourth proportional to 211,689.72, 292,131.68 and 119,807.33 is: 165,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,689.72 : 292,131.68 = 119,807.33 : x
  2. Step 2: Convert to fraction form
    211,689.72/292,131.68 = 119,807.33/x
  3. Step 3: Cross multiply
    211,689.72x = 292,131.68 × 119,807.33
  4. Step 4: Simplify right side
    211,689.72x = 34,999,514,529.52
  5. Step 5: Solve for x
    x = 34,999,514,529.52/211,689.72
  6. Step 6: Final answer
    x = 165,334.03

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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.