Home / 211,753.65-292,136.70-121,060.89

Finding the Fourth Proportional to 211,753.65, 292,136.70 and 121,060.89

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Solution

The fourth proportional to 211,753.65, 292,136.70 and 121,060.89 is: 167,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,753.65 : 292,136.70 = 121,060.89 : x
  2. Step 2: Convert to fraction form
    211,753.65/292,136.70 = 121,060.89/x
  3. Step 3: Cross multiply
    211,753.65x = 292,136.70 × 121,060.89
  4. Step 4: Simplify right side
    211,753.65x = 35,366,328,449.68
  5. Step 5: Solve for x
    x = 35,366,328,449.68/211,753.65
  6. Step 6: Final answer
    x = 167,016.38

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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.