Home / 122,355.04-183,525.18-72,750.80

Finding the Fourth Proportional to 122,355.04, 183,525.18 and 72,750.80

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Solution

The fourth proportional to 122,355.04, 183,525.18 and 72,750.80 is: 109,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,355.04 : 183,525.18 = 72,750.80 : x
  2. Step 2: Convert to fraction form
    122,355.04/183,525.18 = 72,750.80/x
  3. Step 3: Cross multiply
    122,355.04x = 183,525.18 × 72,750.80
  4. Step 4: Simplify right side
    122,355.04x = 13,351,603,301.39
  5. Step 5: Solve for x
    x = 13,351,603,301.39/122,355.04
  6. Step 6: Final answer
    x = 109,121.81

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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.