Home / 104,644.45-144,407.64-56,899

Finding the Fourth Proportional to 104,644.45, 144,407.64 and 56,899

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Solution

The fourth proportional to 104,644.45, 144,407.64 and 56,899 is: 78,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.45 : 144,407.64 = 56,899 : x
  2. Step 2: Convert to fraction form
    104,644.45/144,407.64 = 56,899/x
  3. Step 3: Cross multiply
    104,644.45x = 144,407.64 × 56,899
  4. Step 4: Simplify right side
    104,644.45x = 8,216,650,308.36
  5. Step 5: Solve for x
    x = 8,216,650,308.36/104,644.45
  6. Step 6: Final answer
    x = 78,519.70

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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.