Home / 115,263.08-159,063.75-64,279.04

Finding the Fourth Proportional to 115,263.08, 159,063.75 and 64,279.04

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Solution

The fourth proportional to 115,263.08, 159,063.75 and 64,279.04 is: 88,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.08 : 159,063.75 = 64,279.04 : x
  2. Step 2: Convert to fraction form
    115,263.08/159,063.75 = 64,279.04/x
  3. Step 3: Cross multiply
    115,263.08x = 159,063.75 × 64,279.04
  4. Step 4: Simplify right side
    115,263.08x = 10,224,464,112.43
  5. Step 5: Solve for x
    x = 10,224,464,112.43/115,263.08
  6. Step 6: Final answer
    x = 88,705.45

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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.