Home / 130,268.40-179,751.48-72,907.44

Finding the Fourth Proportional to 130,268.40, 179,751.48 and 72,907.44

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Solution

The fourth proportional to 130,268.40, 179,751.48 and 72,907.44 is: 100,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.40 : 179,751.48 = 72,907.44 : x
  2. Step 2: Convert to fraction form
    130,268.40/179,751.48 = 72,907.44/x
  3. Step 3: Cross multiply
    130,268.40x = 179,751.48 × 72,907.44
  4. Step 4: Simplify right side
    130,268.40x = 13,105,220,243.01
  5. Step 5: Solve for x
    x = 13,105,220,243.01/130,268.40
  6. Step 6: Final answer
    x = 100,601.68

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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.