Home / 145,947.33-218,852.96-75,807.81

Finding the Fourth Proportional to 145,947.33, 218,852.96 and 75,807.81

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Solution

The fourth proportional to 145,947.33, 218,852.96 and 75,807.81 is: 113,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,947.33 : 218,852.96 = 75,807.81 : x
  2. Step 2: Convert to fraction form
    145,947.33/218,852.96 = 75,807.81/x
  3. Step 3: Cross multiply
    145,947.33x = 218,852.96 × 75,807.81
  4. Step 4: Simplify right side
    145,947.33x = 16,590,763,230.58
  5. Step 5: Solve for x
    x = 16,590,763,230.58/145,947.33
  6. Step 6: Final answer
    x = 113,676.37

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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.