Home / 97,589.76-134,670.38-55,147.38

Finding the Fourth Proportional to 97,589.76, 134,670.38 and 55,147.38

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Solution

The fourth proportional to 97,589.76, 134,670.38 and 55,147.38 is: 76,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,589.76 : 134,670.38 = 55,147.38 : x
  2. Step 2: Convert to fraction form
    97,589.76/134,670.38 = 55,147.38/x
  3. Step 3: Cross multiply
    97,589.76x = 134,670.38 × 55,147.38
  4. Step 4: Simplify right side
    97,589.76x = 7,426,718,344.87
  5. Step 5: Solve for x
    x = 7,426,718,344.87/97,589.76
  6. Step 6: Final answer
    x = 76,101.41

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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.