Home / 97,143.46-134,054.37-54,121.94

Finding the Fourth Proportional to 97,143.46, 134,054.37 and 54,121.94

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Solution

The fourth proportional to 97,143.46, 134,054.37 and 54,121.94 is: 74,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,143.46 : 134,054.37 = 54,121.94 : x
  2. Step 2: Convert to fraction form
    97,143.46/134,054.37 = 54,121.94/x
  3. Step 3: Cross multiply
    97,143.46x = 134,054.37 × 54,121.94
  4. Step 4: Simplify right side
    97,143.46x = 7,255,282,569.88
  5. Step 5: Solve for x
    x = 7,255,282,569.88/97,143.46
  6. Step 6: Final answer
    x = 74,686.27

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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.