Home / 211,144.09-291,268.42-130,545.85

Finding the Fourth Proportional to 211,144.09, 291,268.42 and 130,545.85

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Solution

The fourth proportional to 211,144.09, 291,268.42 and 130,545.85 is: 180,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,144.09 : 291,268.42 = 130,545.85 : x
  2. Step 2: Convert to fraction form
    211,144.09/291,268.42 = 130,545.85/x
  3. Step 3: Cross multiply
    211,144.09x = 291,268.42 × 130,545.85
  4. Step 4: Simplify right side
    211,144.09x = 38,023,883,467.06
  5. Step 5: Solve for x
    x = 38,023,883,467.06/211,144.09
  6. Step 6: Final answer
    x = 180,085.00

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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.