Home / 148,288.76-204,638.67-80,305.84

Finding the Fourth Proportional to 148,288.76, 204,638.67 and 80,305.84

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Solution

The fourth proportional to 148,288.76, 204,638.67 and 80,305.84 is: 110,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.76 : 204,638.67 = 80,305.84 : x
  2. Step 2: Convert to fraction form
    148,288.76/204,638.67 = 80,305.84/x
  3. Step 3: Cross multiply
    148,288.76x = 204,638.67 × 80,305.84
  4. Step 4: Simplify right side
    148,288.76x = 16,433,679,779.24
  5. Step 5: Solve for x
    x = 16,433,679,779.24/148,288.76
  6. Step 6: Final answer
    x = 110,822.16

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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.