Home / 134,276.19-201,403.62-78,080.37

Finding the Fourth Proportional to 134,276.19, 201,403.62 and 78,080.37

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Solution

The fourth proportional to 134,276.19, 201,403.62 and 78,080.37 is: 117,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,276.19 : 201,403.62 = 78,080.37 : x
  2. Step 2: Convert to fraction form
    134,276.19/201,403.62 = 78,080.37/x
  3. Step 3: Cross multiply
    134,276.19x = 201,403.62 × 78,080.37
  4. Step 4: Simplify right side
    134,276.19x = 15,725,669,168.94
  5. Step 5: Solve for x
    x = 15,725,669,168.94/134,276.19
  6. Step 6: Final answer
    x = 117,114.35

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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.