Home / 210,146.62-290,001.37-114,653.02

Finding the Fourth Proportional to 210,146.62, 290,001.37 and 114,653.02

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Solution

The fourth proportional to 210,146.62, 290,001.37 and 114,653.02 is: 158,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.62 : 290,001.37 = 114,653.02 : x
  2. Step 2: Convert to fraction form
    210,146.62/290,001.37 = 114,653.02/x
  3. Step 3: Cross multiply
    210,146.62x = 290,001.37 × 114,653.02
  4. Step 4: Simplify right side
    210,146.62x = 33,249,532,874.64
  5. Step 5: Solve for x
    x = 33,249,532,874.64/210,146.62
  6. Step 6: Final answer
    x = 158,220.64

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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.