Home / 104,534.45-144,256.75-56,788.14

Finding the Fourth Proportional to 104,534.45, 144,256.75 and 56,788.14

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Solution

The fourth proportional to 104,534.45, 144,256.75 and 56,788.14 is: 78,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,534.45 : 144,256.75 = 56,788.14 : x
  2. Step 2: Convert to fraction form
    104,534.45/144,256.75 = 56,788.14/x
  3. Step 3: Cross multiply
    104,534.45x = 144,256.75 × 56,788.14
  4. Step 4: Simplify right side
    104,534.45x = 8,192,072,372.97
  5. Step 5: Solve for x
    x = 8,192,072,372.97/104,534.45
  6. Step 6: Final answer
    x = 78,367.20

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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.