Home / 104,368.41-144,028.69-56,621.76

Finding the Fourth Proportional to 104,368.41, 144,028.69 and 56,621.76

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Solution

The fourth proportional to 104,368.41, 144,028.69 and 56,621.76 is: 78,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,368.41 : 144,028.69 = 56,621.76 : x
  2. Step 2: Convert to fraction form
    104,368.41/144,028.69 = 56,621.76/x
  3. Step 3: Cross multiply
    104,368.41x = 144,028.69 × 56,621.76
  4. Step 4: Simplify right side
    104,368.41x = 8,155,158,098.33
  5. Step 5: Solve for x
    x = 8,155,158,098.33/104,368.41
  6. Step 6: Final answer
    x = 78,138.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.