Home / 210,954.56-291,104.96-115,463.04

Finding the Fourth Proportional to 210,954.56, 291,104.96 and 115,463.04

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Solution

The fourth proportional to 210,954.56, 291,104.96 and 115,463.04 is: 159,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,954.56 : 291,104.96 = 115,463.04 : x
  2. Step 2: Convert to fraction form
    210,954.56/291,104.96 = 115,463.04/x
  3. Step 3: Cross multiply
    210,954.56x = 291,104.96 × 115,463.04
  4. Step 4: Simplify right side
    210,954.56x = 33,611,863,640.68
  5. Step 5: Solve for x
    x = 33,611,863,640.68/210,954.56
  6. Step 6: Final answer
    x = 159,332.25

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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.