Home / 266,598.36-367,904.84-145,739.61

Finding the Fourth Proportional to 266,598.36, 367,904.84 and 145,739.61

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Solution

The fourth proportional to 266,598.36, 367,904.84 and 145,739.61 is: 201,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,598.36 : 367,904.84 = 145,739.61 : x
  2. Step 2: Convert to fraction form
    266,598.36/367,904.84 = 145,739.61/x
  3. Step 3: Cross multiply
    266,598.36x = 367,904.84 × 145,739.61
  4. Step 4: Simplify right side
    266,598.36x = 53,618,307,170.01
  5. Step 5: Solve for x
    x = 53,618,307,170.01/266,598.36
  6. Step 6: Final answer
    x = 201,120.17

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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.