Home / 104,427.39-144,109.92-56,680.75

Finding the Fourth Proportional to 104,427.39, 144,109.92 and 56,680.75

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Solution

The fourth proportional to 104,427.39, 144,109.92 and 56,680.75 is: 78,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.39 : 144,109.92 = 56,680.75 : x
  2. Step 2: Convert to fraction form
    104,427.39/144,109.92 = 56,680.75/x
  3. Step 3: Cross multiply
    104,427.39x = 144,109.92 × 56,680.75
  4. Step 4: Simplify right side
    104,427.39x = 8,168,258,348.04
  5. Step 5: Solve for x
    x = 8,168,258,348.04/104,427.39
  6. Step 6: Final answer
    x = 78,219.50

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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.