Home / 210,938.58-291,102.66-115,445.25

Finding the Fourth Proportional to 210,938.58, 291,102.66 and 115,445.25

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Solution

The fourth proportional to 210,938.58, 291,102.66 and 115,445.25 is: 159,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,938.58 : 291,102.66 = 115,445.25 : x
  2. Step 2: Convert to fraction form
    210,938.58/291,102.66 = 115,445.25/x
  3. Step 3: Cross multiply
    210,938.58x = 291,102.66 × 115,445.25
  4. Step 4: Simplify right side
    210,938.58x = 33,606,419,359.37
  5. Step 5: Solve for x
    x = 33,606,419,359.37/210,938.58
  6. Step 6: Final answer
    x = 159,318.51

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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.