Home / 111,034.21-166,614.79-46,987.30

Finding the Fourth Proportional to 111,034.21, 166,614.79 and 46,987.30

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Solution

The fourth proportional to 111,034.21, 166,614.79 and 46,987.30 is: 70,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,034.21 : 166,614.79 = 46,987.30 : x
  2. Step 2: Convert to fraction form
    111,034.21/166,614.79 = 46,987.30/x
  3. Step 3: Cross multiply
    111,034.21x = 166,614.79 × 46,987.30
  4. Step 4: Simplify right side
    111,034.21x = 7,828,779,122.17
  5. Step 5: Solve for x
    x = 7,828,779,122.17/111,034.21
  6. Step 6: Final answer
    x = 70,507.81

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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.