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Finding the Fourth Proportional to 155,378.76, 214,439.15 and 94,984.76

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Solution

The fourth proportional to 155,378.76, 214,439.15 and 94,984.76 is: 131,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,378.76 : 214,439.15 = 94,984.76 : x
  2. Step 2: Convert to fraction form
    155,378.76/214,439.15 = 94,984.76/x
  3. Step 3: Cross multiply
    155,378.76x = 214,439.15 × 94,984.76
  4. Step 4: Simplify right side
    155,378.76x = 20,368,450,362.62
  5. Step 5: Solve for x
    x = 20,368,450,362.62/155,378.76
  6. Step 6: Final answer
    x = 131,089.03

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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.