Home / 205,526.24-307,514.16-121,332.20

Finding the Fourth Proportional to 205,526.24, 307,514.16 and 121,332.20

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Solution

The fourth proportional to 205,526.24, 307,514.16 and 121,332.20 is: 181,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,526.24 : 307,514.16 = 121,332.20 : x
  2. Step 2: Convert to fraction form
    205,526.24/307,514.16 = 121,332.20/x
  3. Step 3: Cross multiply
    205,526.24x = 307,514.16 × 121,332.20
  4. Step 4: Simplify right side
    205,526.24x = 37,311,369,563.95
  5. Step 5: Solve for x
    x = 37,311,369,563.95/205,526.24
  6. Step 6: Final answer
    x = 181,540.66

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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.