Home / 134,441.52-201,440.40-78,123.54

Finding the Fourth Proportional to 134,441.52, 201,440.40 and 78,123.54

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Solution

The fourth proportional to 134,441.52, 201,440.40 and 78,123.54 is: 117,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,441.52 : 201,440.40 = 78,123.54 : x
  2. Step 2: Convert to fraction form
    134,441.52/201,440.40 = 78,123.54/x
  3. Step 3: Cross multiply
    134,441.52x = 201,440.40 × 78,123.54
  4. Step 4: Simplify right side
    134,441.52x = 15,737,237,147.02
  5. Step 5: Solve for x
    x = 15,737,237,147.02/134,441.52
  6. Step 6: Final answer
    x = 117,056.38

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1.5x scale

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.