Home / 134,437.37-201,434.18-78,119.42

Finding the Fourth Proportional to 134,437.37, 201,434.18 and 78,119.42

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Solution

The fourth proportional to 134,437.37, 201,434.18 and 78,119.42 is: 117,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,437.37 : 201,434.18 = 78,119.42 : x
  2. Step 2: Convert to fraction form
    134,437.37/201,434.18 = 78,119.42/x
  3. Step 3: Cross multiply
    134,437.37x = 201,434.18 × 78,119.42
  4. Step 4: Simplify right side
    134,437.37x = 15,735,919,912.01
  5. Step 5: Solve for x
    x = 15,735,919,912.01/134,437.37
  6. Step 6: Final answer
    x = 117,050.20

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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.