Home / 140,190.69-210,395.89-97,795.01

Finding the Fourth Proportional to 140,190.69, 210,395.89 and 97,795.01

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Solution

The fourth proportional to 140,190.69, 210,395.89 and 97,795.01 is: 146,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,190.69 : 210,395.89 = 97,795.01 : x
  2. Step 2: Convert to fraction form
    140,190.69/210,395.89 = 97,795.01/x
  3. Step 3: Cross multiply
    140,190.69x = 210,395.89 × 97,795.01
  4. Step 4: Simplify right side
    140,190.69x = 20,575,668,064.66
  5. Step 5: Solve for x
    x = 20,575,668,064.66/140,190.69
  6. Step 6: Final answer
    x = 146,769.15

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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.