Home / 155,931.03-233,860.77-43,619.20

Finding the Fourth Proportional to 155,931.03, 233,860.77 and 43,619.20

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Solution

The fourth proportional to 155,931.03, 233,860.77 and 43,619.20 is: 65,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,931.03 : 233,860.77 = 43,619.20 : x
  2. Step 2: Convert to fraction form
    155,931.03/233,860.77 = 43,619.20/x
  3. Step 3: Cross multiply
    155,931.03x = 233,860.77 × 43,619.20
  4. Step 4: Simplify right side
    155,931.03x = 10,200,819,114.13
  5. Step 5: Solve for x
    x = 10,200,819,114.13/155,931.03
  6. Step 6: Final answer
    x = 65,418.79

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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.