Home / 145,852.25-218,438.44-140,801.15

Finding the Fourth Proportional to 145,852.25, 218,438.44 and 140,801.15

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Solution

The fourth proportional to 145,852.25, 218,438.44 and 140,801.15 is: 210,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,852.25 : 218,438.44 = 140,801.15 : x
  2. Step 2: Convert to fraction form
    145,852.25/218,438.44 = 140,801.15/x
  3. Step 3: Cross multiply
    145,852.25x = 218,438.44 × 140,801.15
  4. Step 4: Simplify right side
    145,852.25x = 30,756,383,750.30
  5. Step 5: Solve for x
    x = 30,756,383,750.30/145,852.25
  6. Step 6: Final answer
    x = 210,873.57

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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.