Home / 211,051.47-291,279.19-125,003.50

Finding the Fourth Proportional to 211,051.47, 291,279.19 and 125,003.50

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Solution

The fourth proportional to 211,051.47, 291,279.19 and 125,003.50 is: 172,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,051.47 : 291,279.19 = 125,003.50 : x
  2. Step 2: Convert to fraction form
    211,051.47/291,279.19 = 125,003.50/x
  3. Step 3: Cross multiply
    211,051.47x = 291,279.19 × 125,003.50
  4. Step 4: Simplify right side
    211,051.47x = 36,410,919,059.29
  5. Step 5: Solve for x
    x = 36,410,919,059.29/211,051.47
  6. Step 6: Final answer
    x = 172,521.51

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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.