Home / 210,964.68-291,058.88-120,255.22

Finding the Fourth Proportional to 210,964.68, 291,058.88 and 120,255.22

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Solution

The fourth proportional to 210,964.68, 291,058.88 and 120,255.22 is: 165,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,964.68 : 291,058.88 = 120,255.22 : x
  2. Step 2: Convert to fraction form
    210,964.68/291,058.88 = 120,255.22/x
  3. Step 3: Cross multiply
    210,964.68x = 291,058.88 × 120,255.22
  4. Step 4: Simplify right side
    210,964.68x = 35,001,349,647.35
  5. Step 5: Solve for x
    x = 35,001,349,647.35/210,964.68
  6. Step 6: Final answer
    x = 165,910.95

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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.