Home / 214,051.36-295,266.72-138,601.48

Finding the Fourth Proportional to 214,051.36, 295,266.72 and 138,601.48

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Solution

The fourth proportional to 214,051.36, 295,266.72 and 138,601.48 is: 191,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,051.36 : 295,266.72 = 138,601.48 : x
  2. Step 2: Convert to fraction form
    214,051.36/295,266.72 = 138,601.48/x
  3. Step 3: Cross multiply
    214,051.36x = 295,266.72 × 138,601.48
  4. Step 4: Simplify right side
    214,051.36x = 40,924,404,386.75
  5. Step 5: Solve for x
    x = 40,924,404,386.75/214,051.36
  6. Step 6: Final answer
    x = 191,189.65

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1.5x scale

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.