Home / 97,145.65-145,690.44-40,998.34

Finding the Fourth Proportional to 97,145.65, 145,690.44 and 40,998.34

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Solution

The fourth proportional to 97,145.65, 145,690.44 and 40,998.34 is: 61,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,145.65 : 145,690.44 = 40,998.34 : x
  2. Step 2: Convert to fraction form
    97,145.65/145,690.44 = 40,998.34/x
  3. Step 3: Cross multiply
    97,145.65x = 145,690.44 × 40,998.34
  4. Step 4: Simplify right side
    97,145.65x = 5,973,066,193.87
  5. Step 5: Solve for x
    x = 5,973,066,193.87/97,145.65
  6. Step 6: Final answer
    x = 61,485.68

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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.