Home / 104,905.02-144,768.84-57,158.76

Finding the Fourth Proportional to 104,905.02, 144,768.84 and 57,158.76

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Solution

The fourth proportional to 104,905.02, 144,768.84 and 57,158.76 is: 78,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.02 : 144,768.84 = 57,158.76 : x
  2. Step 2: Convert to fraction form
    104,905.02/144,768.84 = 57,158.76/x
  3. Step 3: Cross multiply
    104,905.02x = 144,768.84 × 57,158.76
  4. Step 4: Simplify right side
    104,905.02x = 8,274,807,381.04
  5. Step 5: Solve for x
    x = 8,274,807,381.04/104,905.02
  6. Step 6: Final answer
    x = 78,879.04

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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.