Home / 211,381.60-291,552.06-134,953.24

Finding the Fourth Proportional to 211,381.60, 291,552.06 and 134,953.24

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Solution

The fourth proportional to 211,381.60, 291,552.06 and 134,953.24 is: 186,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,381.60 : 291,552.06 = 134,953.24 : x
  2. Step 2: Convert to fraction form
    211,381.60/291,552.06 = 134,953.24/x
  3. Step 3: Cross multiply
    211,381.60x = 291,552.06 × 134,953.24
  4. Step 4: Simplify right side
    211,381.60x = 39,345,895,125.67
  5. Step 5: Solve for x
    x = 39,345,895,125.67/211,381.60
  6. Step 6: Final answer
    x = 186,136.80

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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.