Home / 112,311.15-155,153.34-97,177.54

Finding the Fourth Proportional to 112,311.15, 155,153.34 and 97,177.54

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Solution

The fourth proportional to 112,311.15, 155,153.34 and 97,177.54 is: 134,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,311.15 : 155,153.34 = 97,177.54 : x
  2. Step 2: Convert to fraction form
    112,311.15/155,153.34 = 97,177.54/x
  3. Step 3: Cross multiply
    112,311.15x = 155,153.34 × 97,177.54
  4. Step 4: Simplify right side
    112,311.15x = 15,077,419,128.22
  5. Step 5: Solve for x
    x = 15,077,419,128.22/112,311.15
  6. Step 6: Final answer
    x = 134,246.86

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1.5x scale

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.