Home / 191,759.12-264,627.84-115,279.06

Finding the Fourth Proportional to 191,759.12, 264,627.84 and 115,279.06

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Solution

The fourth proportional to 191,759.12, 264,627.84 and 115,279.06 is: 159,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,759.12 : 264,627.84 = 115,279.06 : x
  2. Step 2: Convert to fraction form
    191,759.12/264,627.84 = 115,279.06/x
  3. Step 3: Cross multiply
    191,759.12x = 264,627.84 × 115,279.06
  4. Step 4: Simplify right side
    191,759.12x = 30,506,048,645.03
  5. Step 5: Solve for x
    x = 30,506,048,645.03/191,759.12
  6. Step 6: Final answer
    x = 159,085.26

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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.