Home / 156,938.80-235,408.20-146,570.80

Finding the Fourth Proportional to 156,938.80, 235,408.20 and 146,570.80

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Solution

The fourth proportional to 156,938.80, 235,408.20 and 146,570.80 is: 219,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.80 : 235,408.20 = 146,570.80 : x
  2. Step 2: Convert to fraction form
    156,938.80/235,408.20 = 146,570.80/x
  3. Step 3: Cross multiply
    156,938.80x = 235,408.20 × 146,570.80
  4. Step 4: Simplify right side
    156,938.80x = 34,503,968,200.56
  5. Step 5: Solve for x
    x = 34,503,968,200.56/156,938.80
  6. Step 6: Final answer
    x = 219,856.20

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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.