Home / 120,129.40-180,196.26-37,021.24

Finding the Fourth Proportional to 120,129.40, 180,196.26 and 37,021.24

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Solution

The fourth proportional to 120,129.40, 180,196.26 and 37,021.24 is: 55,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,129.40 : 180,196.26 = 37,021.24 : x
  2. Step 2: Convert to fraction form
    120,129.40/180,196.26 = 37,021.24/x
  3. Step 3: Cross multiply
    120,129.40x = 180,196.26 × 37,021.24
  4. Step 4: Simplify right side
    120,129.40x = 6,671,088,988.56
  5. Step 5: Solve for x
    x = 6,671,088,988.56/120,129.40
  6. Step 6: Final answer
    x = 55,532.53

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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.