Home / 156,742.65-235,113.98-56,906.10

Finding the Fourth Proportional to 156,742.65, 235,113.98 and 56,906.10

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Solution

The fourth proportional to 156,742.65, 235,113.98 and 56,906.10 is: 85,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.65 : 235,113.98 = 56,906.10 : x
  2. Step 2: Convert to fraction form
    156,742.65/235,113.98 = 56,906.10/x
  3. Step 3: Cross multiply
    156,742.65x = 235,113.98 × 56,906.10
  4. Step 4: Simplify right side
    156,742.65x = 13,379,419,372.75
  5. Step 5: Solve for x
    x = 13,379,419,372.75/156,742.65
  6. Step 6: Final answer
    x = 85,359.15

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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.