Home / 210,001.99-314,904.47-76,789.09

Finding the Fourth Proportional to 210,001.99, 314,904.47 and 76,789.09

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Solution

The fourth proportional to 210,001.99, 314,904.47 and 76,789.09 is: 115,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,001.99 : 314,904.47 = 76,789.09 : x
  2. Step 2: Convert to fraction form
    210,001.99/314,904.47 = 76,789.09/x
  3. Step 3: Cross multiply
    210,001.99x = 314,904.47 × 76,789.09
  4. Step 4: Simplify right side
    210,001.99x = 24,181,227,688.23
  5. Step 5: Solve for x
    x = 24,181,227,688.23/210,001.99
  6. Step 6: Final answer
    x = 115,147.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.