Home / 210,955.56-291,106.34-115,464.04

Finding the Fourth Proportional to 210,955.56, 291,106.34 and 115,464.04

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Solution

The fourth proportional to 210,955.56, 291,106.34 and 115,464.04 is: 159,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,955.56 : 291,106.34 = 115,464.04 : x
  2. Step 2: Convert to fraction form
    210,955.56/291,106.34 = 115,464.04/x
  3. Step 3: Cross multiply
    210,955.56x = 291,106.34 × 115,464.04
  4. Step 4: Simplify right side
    210,955.56x = 33,612,314,086.01
  5. Step 5: Solve for x
    x = 33,612,314,086.01/210,955.56
  6. Step 6: Final answer
    x = 159,333.62

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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.