Home / 145,646.44-218,554.58-61,401.45

Finding the Fourth Proportional to 145,646.44, 218,554.58 and 61,401.45

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Solution

The fourth proportional to 145,646.44, 218,554.58 and 61,401.45 is: 92,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,646.44 : 218,554.58 = 61,401.45 : x
  2. Step 2: Convert to fraction form
    145,646.44/218,554.58 = 61,401.45/x
  3. Step 3: Cross multiply
    145,646.44x = 218,554.58 × 61,401.45
  4. Step 4: Simplify right side
    145,646.44x = 13,419,568,116.14
  5. Step 5: Solve for x
    x = 13,419,568,116.14/145,646.44
  6. Step 6: Final answer
    x = 92,137.98

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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.