Home / 130,085.60-194,759.44-85,159.35

Finding the Fourth Proportional to 130,085.60, 194,759.44 and 85,159.35

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Solution

The fourth proportional to 130,085.60, 194,759.44 and 85,159.35 is: 127,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,085.60 : 194,759.44 = 85,159.35 : x
  2. Step 2: Convert to fraction form
    130,085.60/194,759.44 = 85,159.35/x
  3. Step 3: Cross multiply
    130,085.60x = 194,759.44 × 85,159.35
  4. Step 4: Simplify right side
    130,085.60x = 16,585,587,103.87
  5. Step 5: Solve for x
    x = 16,585,587,103.87/130,085.60
  6. Step 6: Final answer
    x = 127,497.49

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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.