Home / 210,952.96-291,103.91-115,441.20

Finding the Fourth Proportional to 210,952.96, 291,103.91 and 115,441.20

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Solution

The fourth proportional to 210,952.96, 291,103.91 and 115,441.20 is: 159,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,952.96 : 291,103.91 = 115,441.20 : x
  2. Step 2: Convert to fraction form
    210,952.96/291,103.91 = 115,441.20/x
  3. Step 3: Cross multiply
    210,952.96x = 291,103.91 × 115,441.20
  4. Step 4: Simplify right side
    210,952.96x = 33,605,384,550.79
  5. Step 5: Solve for x
    x = 33,605,384,550.79/210,952.96
  6. Step 6: Final answer
    x = 159,302.74

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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.