Home / 211,752.63-292,355.43-131,265.56

Finding the Fourth Proportional to 211,752.63, 292,355.43 and 131,265.56

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Solution

The fourth proportional to 211,752.63, 292,355.43 and 131,265.56 is: 181,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,752.63 : 292,355.43 = 131,265.56 : x
  2. Step 2: Convert to fraction form
    211,752.63/292,355.43 = 131,265.56/x
  3. Step 3: Cross multiply
    211,752.63x = 292,355.43 × 131,265.56
  4. Step 4: Simplify right side
    211,752.63x = 38,376,199,476.63
  5. Step 5: Solve for x
    x = 38,376,199,476.63/211,752.63
  6. Step 6: Final answer
    x = 181,231.28

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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.