Home / 157,347.35-236,021.25-120,118.80

Finding the Fourth Proportional to 157,347.35, 236,021.25 and 120,118.80

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Solution

The fourth proportional to 157,347.35, 236,021.25 and 120,118.80 is: 180,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,347.35 : 236,021.25 = 120,118.80 : x
  2. Step 2: Convert to fraction form
    157,347.35/236,021.25 = 120,118.80/x
  3. Step 3: Cross multiply
    157,347.35x = 236,021.25 × 120,118.80
  4. Step 4: Simplify right side
    157,347.35x = 28,350,589,324.50
  5. Step 5: Solve for x
    x = 28,350,589,324.50/157,347.35
  6. Step 6: Final answer
    x = 180,178.37

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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.