Home / 85,290.18-127,951.67-26,126.36

Finding the Fourth Proportional to 85,290.18, 127,951.67 and 26,126.36

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Solution

The fourth proportional to 85,290.18, 127,951.67 and 26,126.36 is: 39,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,290.18 : 127,951.67 = 26,126.36 : x
  2. Step 2: Convert to fraction form
    85,290.18/127,951.67 = 26,126.36/x
  3. Step 3: Cross multiply
    85,290.18x = 127,951.67 × 26,126.36
  4. Step 4: Simplify right side
    85,290.18x = 3,342,911,393.02
  5. Step 5: Solve for x
    x = 3,342,911,393.02/85,290.18
  6. Step 6: Final answer
    x = 39,194.56

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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.