Home / 214,670.51-322,153.40-74,429.14

Finding the Fourth Proportional to 214,670.51, 322,153.40 and 74,429.14

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Solution

The fourth proportional to 214,670.51, 322,153.40 and 74,429.14 is: 111,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,670.51 : 322,153.40 = 74,429.14 : x
  2. Step 2: Convert to fraction form
    214,670.51/322,153.40 = 74,429.14/x
  3. Step 3: Cross multiply
    214,670.51x = 322,153.40 × 74,429.14
  4. Step 4: Simplify right side
    214,670.51x = 23,977,600,510.08
  5. Step 5: Solve for x
    x = 23,977,600,510.08/214,670.51
  6. Step 6: Final answer
    x = 111,694.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.