Home / 210,455.22-290,423.43-114,962.34

Finding the Fourth Proportional to 210,455.22, 290,423.43 and 114,962.34

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Solution

The fourth proportional to 210,455.22, 290,423.43 and 114,962.34 is: 158,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,455.22 : 290,423.43 = 114,962.34 : x
  2. Step 2: Convert to fraction form
    210,455.22/290,423.43 = 114,962.34/x
  3. Step 3: Cross multiply
    210,455.22x = 290,423.43 × 114,962.34
  4. Step 4: Simplify right side
    210,455.22x = 33,387,757,103.63
  5. Step 5: Solve for x
    x = 33,387,757,103.63/210,455.22
  6. Step 6: Final answer
    x = 158,645.42

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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.