Home / 134,140.22-201,145.44-77,996.60

Finding the Fourth Proportional to 134,140.22, 201,145.44 and 77,996.60

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Solution

The fourth proportional to 134,140.22, 201,145.44 and 77,996.60 is: 116,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,140.22 : 201,145.44 = 77,996.60 : x
  2. Step 2: Convert to fraction form
    134,140.22/201,145.44 = 77,996.60/x
  3. Step 3: Cross multiply
    134,140.22x = 201,145.44 × 77,996.60
  4. Step 4: Simplify right side
    134,140.22x = 15,688,660,425.50
  5. Step 5: Solve for x
    x = 15,688,660,425.50/134,140.22
  6. Step 6: Final answer
    x = 116,957.17

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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.