Home / 104,750.21-144,555.02-57,003.55

Finding the Fourth Proportional to 104,750.21, 144,555.02 and 57,003.55

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Solution

The fourth proportional to 104,750.21, 144,555.02 and 57,003.55 is: 78,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.21 : 144,555.02 = 57,003.55 : x
  2. Step 2: Convert to fraction form
    104,750.21/144,555.02 = 57,003.55/x
  3. Step 3: Cross multiply
    104,750.21x = 144,555.02 × 57,003.55
  4. Step 4: Simplify right side
    104,750.21x = 8,240,148,587.55
  5. Step 5: Solve for x
    x = 8,240,148,587.55/104,750.21
  6. Step 6: Final answer
    x = 78,664.75

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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.