Home / 115,884.12-159,928.83-64,894.26

Finding the Fourth Proportional to 115,884.12, 159,928.83 and 64,894.26

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Solution

The fourth proportional to 115,884.12, 159,928.83 and 64,894.26 is: 89,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,884.12 : 159,928.83 = 64,894.26 : x
  2. Step 2: Convert to fraction form
    115,884.12/159,928.83 = 64,894.26/x
  3. Step 3: Cross multiply
    115,884.12x = 159,928.83 × 64,894.26
  4. Step 4: Simplify right side
    115,884.12x = 10,378,463,075.52
  5. Step 5: Solve for x
    x = 10,378,463,075.52/115,884.12
  6. Step 6: Final answer
    x = 89,558.98

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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.