Home / 210,961.53-291,127.26-115,474.28

Finding the Fourth Proportional to 210,961.53, 291,127.26 and 115,474.28

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Solution

The fourth proportional to 210,961.53, 291,127.26 and 115,474.28 is: 159,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,961.53 : 291,127.26 = 115,474.28 : x
  2. Step 2: Convert to fraction form
    210,961.53/291,127.26 = 115,474.28/x
  3. Step 3: Cross multiply
    210,961.53x = 291,127.26 × 115,474.28
  4. Step 4: Simplify right side
    210,961.53x = 33,617,709,714.27
  5. Step 5: Solve for x
    x = 33,617,709,714.27/210,961.53
  6. Step 6: Final answer
    x = 159,354.69

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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.