Home / 155,037.70-232,556.55-149,132.80

Finding the Fourth Proportional to 155,037.70, 232,556.55 and 149,132.80

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Solution

The fourth proportional to 155,037.70, 232,556.55 and 149,132.80 is: 223,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,037.70 : 232,556.55 = 149,132.80 : x
  2. Step 2: Convert to fraction form
    155,037.70/232,556.55 = 149,132.80/x
  3. Step 3: Cross multiply
    155,037.70x = 232,556.55 × 149,132.80
  4. Step 4: Simplify right side
    155,037.70x = 34,681,809,459.84
  5. Step 5: Solve for x
    x = 34,681,809,459.84/155,037.70
  6. Step 6: Final answer
    x = 223,699.20

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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.