Home / 145,825.89-218,705.97-52,331.64

Finding the Fourth Proportional to 145,825.89, 218,705.97 and 52,331.64

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Solution

The fourth proportional to 145,825.89, 218,705.97 and 52,331.64 is: 78,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,825.89 : 218,705.97 = 52,331.64 : x
  2. Step 2: Convert to fraction form
    145,825.89/218,705.97 = 52,331.64/x
  3. Step 3: Cross multiply
    145,825.89x = 218,705.97 × 52,331.64
  4. Step 4: Simplify right side
    145,825.89x = 11,445,241,463.99
  5. Step 5: Solve for x
    x = 11,445,241,463.99/145,825.89
  6. Step 6: Final answer
    x = 78,485.66

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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.