Home / 101,340.40-151,996.32-34,779.36

Finding the Fourth Proportional to 101,340.40, 151,996.32 and 34,779.36

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Solution

The fourth proportional to 101,340.40, 151,996.32 and 34,779.36 is: 52,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,340.40 : 151,996.32 = 34,779.36 : x
  2. Step 2: Convert to fraction form
    101,340.40/151,996.32 = 34,779.36/x
  3. Step 3: Cross multiply
    101,340.40x = 151,996.32 × 34,779.36
  4. Step 4: Simplify right side
    101,340.40x = 5,286,334,731.96
  5. Step 5: Solve for x
    x = 5,286,334,731.96/101,340.40
  6. Step 6: Final answer
    x = 52,164.14

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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.