Home / 210,467.90-290,442.04-114,972.14

Finding the Fourth Proportional to 210,467.90, 290,442.04 and 114,972.14

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Solution

The fourth proportional to 210,467.90, 290,442.04 and 114,972.14 is: 158,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,467.90 : 290,442.04 = 114,972.14 : x
  2. Step 2: Convert to fraction form
    210,467.90/290,442.04 = 114,972.14/x
  3. Step 3: Cross multiply
    210,467.90x = 290,442.04 × 114,972.14
  4. Step 4: Simplify right side
    210,467.90x = 33,392,742,884.77
  5. Step 5: Solve for x
    x = 33,392,742,884.77/210,467.90
  6. Step 6: Final answer
    x = 158,659.55

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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.