Home / 156,938.60-235,019.10-100,692.20

Finding the Fourth Proportional to 156,938.60, 235,019.10 and 100,692.20

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Solution

The fourth proportional to 156,938.60, 235,019.10 and 100,692.20 is: 150,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.60 : 235,019.10 = 100,692.20 : x
  2. Step 2: Convert to fraction form
    156,938.60/235,019.10 = 100,692.20/x
  3. Step 3: Cross multiply
    156,938.60x = 235,019.10 × 100,692.20
  4. Step 4: Simplify right side
    156,938.60x = 23,664,590,221.02
  5. Step 5: Solve for x
    x = 23,664,590,221.02/156,938.60
  6. Step 6: Final answer
    x = 150,788.84

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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.