Home / 141,128.64-211,713.50-47,661.12

Finding the Fourth Proportional to 141,128.64, 211,713.50 and 47,661.12

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Solution

The fourth proportional to 141,128.64, 211,713.50 and 47,661.12 is: 71,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,128.64 : 211,713.50 = 47,661.12 : x
  2. Step 2: Convert to fraction form
    141,128.64/211,713.50 = 47,661.12/x
  3. Step 3: Cross multiply
    141,128.64x = 211,713.50 × 47,661.12
  4. Step 4: Simplify right side
    141,128.64x = 10,090,502,529.12
  5. Step 5: Solve for x
    x = 10,090,502,529.12/141,128.64
  6. Step 6: Final answer
    x = 71,498.62

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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.