Home / 448,001.40-671,993.46-111,042.75

Finding the Fourth Proportional to 448,001.40, 671,993.46 and 111,042.75

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Solution

The fourth proportional to 448,001.40, 671,993.46 and 111,042.75 is: 166,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,001.40 : 671,993.46 = 111,042.75 : x
  2. Step 2: Convert to fraction form
    448,001.40/671,993.46 = 111,042.75/x
  3. Step 3: Cross multiply
    448,001.40x = 671,993.46 × 111,042.75
  4. Step 4: Simplify right side
    448,001.40x = 74,620,001,780.42
  5. Step 5: Solve for x
    x = 74,620,001,780.42/448,001.40
  6. Step 6: Final answer
    x = 166,561.98

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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.