Home / 97,137.66-134,049.43-54,119.02

Finding the Fourth Proportional to 97,137.66, 134,049.43 and 54,119.02

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Solution

The fourth proportional to 97,137.66, 134,049.43 and 54,119.02 is: 74,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,137.66 : 134,049.43 = 54,119.02 : x
  2. Step 2: Convert to fraction form
    97,137.66/134,049.43 = 54,119.02/x
  3. Step 3: Cross multiply
    97,137.66x = 134,049.43 × 54,119.02
  4. Step 4: Simplify right side
    97,137.66x = 7,254,624,332.55
  5. Step 5: Solve for x
    x = 7,254,624,332.55/97,137.66
  6. Step 6: Final answer
    x = 74,683.96

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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.