Home / 109,514.21-151,094.21-61,108.31

Finding the Fourth Proportional to 109,514.21, 151,094.21 and 61,108.31

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Solution

The fourth proportional to 109,514.21, 151,094.21 and 61,108.31 is: 84,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,514.21 : 151,094.21 = 61,108.31 : x
  2. Step 2: Convert to fraction form
    109,514.21/151,094.21 = 61,108.31/x
  3. Step 3: Cross multiply
    109,514.21x = 151,094.21 × 61,108.31
  4. Step 4: Simplify right side
    109,514.21x = 9,233,110,762.87
  5. Step 5: Solve for x
    x = 9,233,110,762.87/109,514.21
  6. Step 6: Final answer
    x = 84,309.71

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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.