Home / 156,975.42-216,621.50-88,998.67

Finding the Fourth Proportional to 156,975.42, 216,621.50 and 88,998.67

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Solution

The fourth proportional to 156,975.42, 216,621.50 and 88,998.67 is: 122,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.42 : 216,621.50 = 88,998.67 : x
  2. Step 2: Convert to fraction form
    156,975.42/216,621.50 = 88,998.67/x
  3. Step 3: Cross multiply
    156,975.42x = 216,621.50 × 88,998.67
  4. Step 4: Simplify right side
    156,975.42x = 19,279,025,393.41
  5. Step 5: Solve for x
    x = 19,279,025,393.41/156,975.42
  6. Step 6: Final answer
    x = 122,815.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.