Home / 141,171.60-210,741.93-120,963.51

Finding the Fourth Proportional to 141,171.60, 210,741.93 and 120,963.51

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Solution

The fourth proportional to 141,171.60, 210,741.93 and 120,963.51 is: 180,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,171.60 : 210,741.93 = 120,963.51 : x
  2. Step 2: Convert to fraction form
    141,171.60/210,741.93 = 120,963.51/x
  3. Step 3: Cross multiply
    141,171.60x = 210,741.93 × 120,963.51
  4. Step 4: Simplify right side
    141,171.60x = 25,492,083,556.97
  5. Step 5: Solve for x
    x = 25,492,083,556.97/141,171.60
  6. Step 6: Final answer
    x = 180,575.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.