Home / 122,692.20-184,038.30-72,925.80

Finding the Fourth Proportional to 122,692.20, 184,038.30 and 72,925.80

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Solution

The fourth proportional to 122,692.20, 184,038.30 and 72,925.80 is: 109,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,692.20 : 184,038.30 = 72,925.80 : x
  2. Step 2: Convert to fraction form
    122,692.20/184,038.30 = 72,925.80/x
  3. Step 3: Cross multiply
    122,692.20x = 184,038.30 × 72,925.80
  4. Step 4: Simplify right side
    122,692.20x = 13,421,140,258.14
  5. Step 5: Solve for x
    x = 13,421,140,258.14/122,692.20
  6. Step 6: Final answer
    x = 109,388.70

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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.