Home / 141,085.80-211,628.70-85,098.60

Finding the Fourth Proportional to 141,085.80, 211,628.70 and 85,098.60

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Solution

The fourth proportional to 141,085.80, 211,628.70 and 85,098.60 is: 127,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,085.80 : 211,628.70 = 85,098.60 : x
  2. Step 2: Convert to fraction form
    141,085.80/211,628.70 = 85,098.60/x
  3. Step 3: Cross multiply
    141,085.80x = 211,628.70 × 85,098.60
  4. Step 4: Simplify right side
    141,085.80x = 18,009,306,089.82
  5. Step 5: Solve for x
    x = 18,009,306,089.82/141,085.80
  6. Step 6: Final answer
    x = 127,647.90

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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.