Home / 103,137.74-154,586.89-39,055.14

Finding the Fourth Proportional to 103,137.74, 154,586.89 and 39,055.14

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Solution

The fourth proportional to 103,137.74, 154,586.89 and 39,055.14 is: 58,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,137.74 : 154,586.89 = 39,055.14 : x
  2. Step 2: Convert to fraction form
    103,137.74/154,586.89 = 39,055.14/x
  3. Step 3: Cross multiply
    103,137.74x = 154,586.89 × 39,055.14
  4. Step 4: Simplify right side
    103,137.74x = 6,037,412,631.11
  5. Step 5: Solve for x
    x = 6,037,412,631.11/103,137.74
  6. Step 6: Final answer
    x = 58,537.38

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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.