Home / 94,424.10-130,322.73-54,138.14

Finding the Fourth Proportional to 94,424.10, 130,322.73 and 54,138.14

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Solution

The fourth proportional to 94,424.10, 130,322.73 and 54,138.14 is: 74,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,424.10 : 130,322.73 = 54,138.14 : x
  2. Step 2: Convert to fraction form
    94,424.10/130,322.73 = 54,138.14/x
  3. Step 3: Cross multiply
    94,424.10x = 130,322.73 × 54,138.14
  4. Step 4: Simplify right side
    94,424.10x = 7,055,430,201.92
  5. Step 5: Solve for x
    x = 7,055,430,201.92/94,424.10
  6. Step 6: Final answer
    x = 74,720.65

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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.