Home / 145,875.42-218,850.03-40,694.31

Finding the Fourth Proportional to 145,875.42, 218,850.03 and 40,694.31

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Solution

The fourth proportional to 145,875.42, 218,850.03 and 40,694.31 is: 61,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,875.42 : 218,850.03 = 40,694.31 : x
  2. Step 2: Convert to fraction form
    145,875.42/218,850.03 = 40,694.31/x
  3. Step 3: Cross multiply
    145,875.42x = 218,850.03 × 40,694.31
  4. Step 4: Simplify right side
    145,875.42x = 8,905,950,964.33
  5. Step 5: Solve for x
    x = 8,905,950,964.33/145,875.42
  6. Step 6: Final answer
    x = 61,051.76

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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.