Home / 210,964.53-291,131.40-115,477.29

Finding the Fourth Proportional to 210,964.53, 291,131.40 and 115,477.29

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Solution

The fourth proportional to 210,964.53, 291,131.40 and 115,477.29 is: 159,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,964.53 : 291,131.40 = 115,477.29 : x
  2. Step 2: Convert to fraction form
    210,964.53/291,131.40 = 115,477.29/x
  3. Step 3: Cross multiply
    210,964.53x = 291,131.40 × 115,477.29
  4. Step 4: Simplify right side
    210,964.53x = 33,619,065,105.91
  5. Step 5: Solve for x
    x = 33,619,065,105.91/210,964.53
  6. Step 6: Final answer
    x = 159,358.85

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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.