Home / 141,031.26-210,081.09-133,391.64

Finding the Fourth Proportional to 141,031.26, 210,081.09 and 133,391.64

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Solution

The fourth proportional to 141,031.26, 210,081.09 and 133,391.64 is: 198,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.26 : 210,081.09 = 133,391.64 : x
  2. Step 2: Convert to fraction form
    141,031.26/210,081.09 = 133,391.64/x
  3. Step 3: Cross multiply
    141,031.26x = 210,081.09 × 133,391.64
  4. Step 4: Simplify right side
    141,031.26x = 28,023,061,128.09
  5. Step 5: Solve for x
    x = 28,023,061,128.09/141,031.26
  6. Step 6: Final answer
    x = 198,701.06

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1.5x scale

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.