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Finding the Fourth Proportional to 104,367.66, 144,027.80 and 56,621.35

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Solution

The fourth proportional to 104,367.66, 144,027.80 and 56,621.35 is: 78,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,367.66 : 144,027.80 = 56,621.35 : x
  2. Step 2: Convert to fraction form
    104,367.66/144,027.80 = 56,621.35/x
  3. Step 3: Cross multiply
    104,367.66x = 144,027.80 × 56,621.35
  4. Step 4: Simplify right side
    104,367.66x = 8,155,048,473.53
  5. Step 5: Solve for x
    x = 8,155,048,473.53/104,367.66
  6. Step 6: Final answer
    x = 78,137.70

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1.5x scale

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.