Home / 141,439.78-211,875.56-65,431.84

Finding the Fourth Proportional to 141,439.78, 211,875.56 and 65,431.84

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Solution

The fourth proportional to 141,439.78, 211,875.56 and 65,431.84 is: 98,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,439.78 : 211,875.56 = 65,431.84 : x
  2. Step 2: Convert to fraction form
    141,439.78/211,875.56 = 65,431.84/x
  3. Step 3: Cross multiply
    141,439.78x = 211,875.56 × 65,431.84
  4. Step 4: Simplify right side
    141,439.78x = 13,863,407,741.83
  5. Step 5: Solve for x
    x = 13,863,407,741.83/141,439.78
  6. Step 6: Final answer
    x = 98,016.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.