Home / 103,054.10-154,491.15-39,917.30

Finding the Fourth Proportional to 103,054.10, 154,491.15 and 39,917.30

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Solution

The fourth proportional to 103,054.10, 154,491.15 and 39,917.30 is: 59,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,054.10 : 154,491.15 = 39,917.30 : x
  2. Step 2: Convert to fraction form
    103,054.10/154,491.15 = 39,917.30/x
  3. Step 3: Cross multiply
    103,054.10x = 154,491.15 × 39,917.30
  4. Step 4: Simplify right side
    103,054.10x = 6,166,869,581.90
  5. Step 5: Solve for x
    x = 6,166,869,581.90/103,054.10
  6. Step 6: Final answer
    x = 59,841.09

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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.