Home / 210,917.60-291,065.51-114,121.16

Finding the Fourth Proportional to 210,917.60, 291,065.51 and 114,121.16

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Solution

The fourth proportional to 210,917.60, 291,065.51 and 114,121.16 is: 157,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,917.60 : 291,065.51 = 114,121.16 : x
  2. Step 2: Convert to fraction form
    210,917.60/291,065.51 = 114,121.16/x
  3. Step 3: Cross multiply
    210,917.60x = 291,065.51 × 114,121.16
  4. Step 4: Simplify right side
    210,917.60x = 33,216,731,611.26
  5. Step 5: Solve for x
    x = 33,216,731,611.26/210,917.60
  6. Step 6: Final answer
    x = 157,486.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.