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Finding the Fourth Proportional to 154,951, 213,868.88 and 94,571.56

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Solution

The fourth proportional to 154,951, 213,868.88 and 94,571.56 is: 130,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,951 : 213,868.88 = 94,571.56 : x
  2. Step 2: Convert to fraction form
    154,951/213,868.88 = 94,571.56/x
  3. Step 3: Cross multiply
    154,951x = 213,868.88 × 94,571.56
  4. Step 4: Simplify right side
    154,951x = 20,225,913,617.05
  5. Step 5: Solve for x
    x = 20,225,913,617.05/154,951
  6. Step 6: Final answer
    x = 130,531.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.