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Finding the Fourth Proportional to 158,313.20, 237,124.20 and 122,975.60

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Solution

The fourth proportional to 158,313.20, 237,124.20 and 122,975.60 is: 184,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,313.20 : 237,124.20 = 122,975.60 : x
  2. Step 2: Convert to fraction form
    158,313.20/237,124.20 = 122,975.60/x
  3. Step 3: Cross multiply
    158,313.20x = 237,124.20 × 122,975.60
  4. Step 4: Simplify right side
    158,313.20x = 29,160,490,769.52
  5. Step 5: Solve for x
    x = 29,160,490,769.52/158,313.20
  6. Step 6: Final answer
    x = 184,194.94

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1.5x scale

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.