Home / 134,090.81-201,219.27-77,957.34

Finding the Fourth Proportional to 134,090.81, 201,219.27 and 77,957.34

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Solution

The fourth proportional to 134,090.81, 201,219.27 and 77,957.34 is: 116,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,090.81 : 201,219.27 = 77,957.34 : x
  2. Step 2: Convert to fraction form
    134,090.81/201,219.27 = 77,957.34/x
  3. Step 3: Cross multiply
    134,090.81x = 201,219.27 × 77,957.34
  4. Step 4: Simplify right side
    134,090.81x = 15,686,519,045.94
  5. Step 5: Solve for x
    x = 15,686,519,045.94/134,090.81
  6. Step 6: Final answer
    x = 116,984.30

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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.