Home / 130,636.44-180,279.42-74,037.24

Finding the Fourth Proportional to 130,636.44, 180,279.42 and 74,037.24

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Solution

The fourth proportional to 130,636.44, 180,279.42 and 74,037.24 is: 102,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,636.44 : 180,279.42 = 74,037.24 : x
  2. Step 2: Convert to fraction form
    130,636.44/180,279.42 = 74,037.24/x
  3. Step 3: Cross multiply
    130,636.44x = 180,279.42 × 74,037.24
  4. Step 4: Simplify right side
    130,636.44x = 13,347,390,685.60
  5. Step 5: Solve for x
    x = 13,347,390,685.60/130,636.44
  6. Step 6: Final answer
    x = 102,172.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.