Home / 104,723.40-144,518.93-56,977.10

Finding the Fourth Proportional to 104,723.40, 144,518.93 and 56,977.10

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Solution

The fourth proportional to 104,723.40, 144,518.93 and 56,977.10 is: 78,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,723.40 : 144,518.93 = 56,977.10 : x
  2. Step 2: Convert to fraction form
    104,723.40/144,518.93 = 56,977.10/x
  3. Step 3: Cross multiply
    104,723.40x = 144,518.93 × 56,977.10
  4. Step 4: Simplify right side
    104,723.40x = 8,234,268,519.02
  5. Step 5: Solve for x
    x = 8,234,268,519.02/104,723.40
  6. Step 6: Final answer
    x = 78,628.74

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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.