Home / 211,491.76-291,859.04-115,999.24

Finding the Fourth Proportional to 211,491.76, 291,859.04 and 115,999.24

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Solution

The fourth proportional to 211,491.76, 291,859.04 and 115,999.24 is: 160,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,491.76 : 291,859.04 = 115,999.24 : x
  2. Step 2: Convert to fraction form
    211,491.76/291,859.04 = 115,999.24/x
  3. Step 3: Cross multiply
    211,491.76x = 291,859.04 × 115,999.24
  4. Step 4: Simplify right side
    211,491.76x = 33,855,426,827.13
  5. Step 5: Solve for x
    x = 33,855,426,827.13/211,491.76
  6. Step 6: Final answer
    x = 160,079.18

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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.