Home / 154,561.28-231,499.37-118,759.07

Finding the Fourth Proportional to 154,561.28, 231,499.37 and 118,759.07

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Solution

The fourth proportional to 154,561.28, 231,499.37 and 118,759.07 is: 177,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,561.28 : 231,499.37 = 118,759.07 : x
  2. Step 2: Convert to fraction form
    154,561.28/231,499.37 = 118,759.07/x
  3. Step 3: Cross multiply
    154,561.28x = 231,499.37 × 118,759.07
  4. Step 4: Simplify right side
    154,561.28x = 27,492,650,762.43
  5. Step 5: Solve for x
    x = 27,492,650,762.43/154,561.28
  6. Step 6: Final answer
    x = 177,875.41

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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.