Home / 211,502.08-291,881.04-116,012.80

Finding the Fourth Proportional to 211,502.08, 291,881.04 and 116,012.80

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Solution

The fourth proportional to 211,502.08, 291,881.04 and 116,012.80 is: 160,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,502.08 : 291,881.04 = 116,012.80 : x
  2. Step 2: Convert to fraction form
    211,502.08/291,881.04 = 116,012.80/x
  3. Step 3: Cross multiply
    211,502.08x = 291,881.04 × 116,012.80
  4. Step 4: Simplify right side
    211,502.08x = 33,861,936,717.31
  5. Step 5: Solve for x
    x = 33,861,936,717.31/211,502.08
  6. Step 6: Final answer
    x = 160,102.15

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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.