Home / 104,427.60-144,110.24-56,680.98

Finding the Fourth Proportional to 104,427.60, 144,110.24 and 56,680.98

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Solution

The fourth proportional to 104,427.60, 144,110.24 and 56,680.98 is: 78,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.60 : 144,110.24 = 56,680.98 : x
  2. Step 2: Convert to fraction form
    104,427.60/144,110.24 = 56,680.98/x
  3. Step 3: Cross multiply
    104,427.60x = 144,110.24 × 56,680.98
  4. Step 4: Simplify right side
    104,427.60x = 8,168,309,830.59
  5. Step 5: Solve for x
    x = 8,168,309,830.59/104,427.60
  6. Step 6: Final answer
    x = 78,219.84

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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.