Home / 104,224.60-143,830.64-56,478.34

Finding the Fourth Proportional to 104,224.60, 143,830.64 and 56,478.34

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Solution

The fourth proportional to 104,224.60, 143,830.64 and 56,478.34 is: 77,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,224.60 : 143,830.64 = 56,478.34 : x
  2. Step 2: Convert to fraction form
    104,224.60/143,830.64 = 56,478.34/x
  3. Step 3: Cross multiply
    104,224.60x = 143,830.64 × 56,478.34
  4. Step 4: Simplify right side
    104,224.60x = 8,123,315,788.34
  5. Step 5: Solve for x
    x = 8,123,315,788.34/104,224.60
  6. Step 6: Final answer
    x = 77,940.48

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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.