Home / 210,317.91-314,973.93-121,301.54

Finding the Fourth Proportional to 210,317.91, 314,973.93 and 121,301.54

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Solution

The fourth proportional to 210,317.91, 314,973.93 and 121,301.54 is: 181,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317.91 : 314,973.93 = 121,301.54 : x
  2. Step 2: Convert to fraction form
    210,317.91/314,973.93 = 121,301.54/x
  3. Step 3: Cross multiply
    210,317.91x = 314,973.93 × 121,301.54
  4. Step 4: Simplify right side
    210,317.91x = 38,206,823,556.29
  5. Step 5: Solve for x
    x = 38,206,823,556.29/210,317.91
  6. Step 6: Final answer
    x = 181,662.24

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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.