Home / 356,748.88-535,205.22-120,085.24

Finding the Fourth Proportional to 356,748.88, 535,205.22 and 120,085.24

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Solution

The fourth proportional to 356,748.88, 535,205.22 and 120,085.24 is: 180,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,748.88 : 535,205.22 = 120,085.24 : x
  2. Step 2: Convert to fraction form
    356,748.88/535,205.22 = 120,085.24/x
  3. Step 3: Cross multiply
    356,748.88x = 535,205.22 × 120,085.24
  4. Step 4: Simplify right side
    356,748.88x = 64,270,247,292.95
  5. Step 5: Solve for x
    x = 64,270,247,292.95/356,748.88
  6. Step 6: Final answer
    x = 180,155.43

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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.