Home / 130,248.33-179,745.93-72,885.75

Finding the Fourth Proportional to 130,248.33, 179,745.93 and 72,885.75

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Solution

The fourth proportional to 130,248.33, 179,745.93 and 72,885.75 is: 100,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,248.33 : 179,745.93 = 72,885.75 : x
  2. Step 2: Convert to fraction form
    130,248.33/179,745.93 = 72,885.75/x
  3. Step 3: Cross multiply
    130,248.33x = 179,745.93 × 72,885.75
  4. Step 4: Simplify right side
    130,248.33x = 13,100,916,917.50
  5. Step 5: Solve for x
    x = 13,100,916,917.50/130,248.33
  6. Step 6: Final answer
    x = 100,584.15

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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.