Home / 210,904.26-291,047.90-115,410.96

Finding the Fourth Proportional to 210,904.26, 291,047.90 and 115,410.96

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Solution

The fourth proportional to 210,904.26, 291,047.90 and 115,410.96 is: 159,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,904.26 : 291,047.90 = 115,410.96 : x
  2. Step 2: Convert to fraction form
    210,904.26/291,047.90 = 115,410.96/x
  3. Step 3: Cross multiply
    210,904.26x = 291,047.90 × 115,410.96
  4. Step 4: Simplify right side
    210,904.26x = 33,590,116,967.93
  5. Step 5: Solve for x
    x = 33,590,116,967.93/210,904.26
  6. Step 6: Final answer
    x = 159,267.13

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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.