Home / 230,307.03-345,198.48-140,150.91

Finding the Fourth Proportional to 230,307.03, 345,198.48 and 140,150.91

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Solution

The fourth proportional to 230,307.03, 345,198.48 and 140,150.91 is: 210,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,307.03 : 345,198.48 = 140,150.91 : x
  2. Step 2: Convert to fraction form
    230,307.03/345,198.48 = 140,150.91/x
  3. Step 3: Cross multiply
    230,307.03x = 345,198.48 × 140,150.91
  4. Step 4: Simplify right side
    230,307.03x = 48,379,881,102.62
  5. Step 5: Solve for x
    x = 48,379,881,102.62/230,307.03
  6. Step 6: Final answer
    x = 210,066.89

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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.