Home / 210,992.58-291,176.64-115,499.25

Finding the Fourth Proportional to 210,992.58, 291,176.64 and 115,499.25

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Solution

The fourth proportional to 210,992.58, 291,176.64 and 115,499.25 is: 159,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,992.58 : 291,176.64 = 115,499.25 : x
  2. Step 2: Convert to fraction form
    210,992.58/291,176.64 = 115,499.25/x
  3. Step 3: Cross multiply
    210,992.58x = 291,176.64 × 115,499.25
  4. Step 4: Simplify right side
    210,992.58x = 33,630,683,537.52
  5. Step 5: Solve for x
    x = 33,630,683,537.52/210,992.58
  6. Step 6: Final answer
    x = 159,392.73

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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.