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Finding the Fourth Proportional to 158,189.76, 218,282.76 and 94,515.12

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Solution

The fourth proportional to 158,189.76, 218,282.76 and 94,515.12 is: 130,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,189.76 : 218,282.76 = 94,515.12 : x
  2. Step 2: Convert to fraction form
    158,189.76/218,282.76 = 94,515.12/x
  3. Step 3: Cross multiply
    158,189.76x = 218,282.76 × 94,515.12
  4. Step 4: Simplify right side
    158,189.76x = 20,631,021,255.33
  5. Step 5: Solve for x
    x = 20,631,021,255.33/158,189.76
  6. Step 6: Final answer
    x = 130,419.45

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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.