Home / 123,535.30-185,302.95-73,015.60

Finding the Fourth Proportional to 123,535.30, 185,302.95 and 73,015.60

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Solution

The fourth proportional to 123,535.30, 185,302.95 and 73,015.60 is: 109,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,535.30 : 185,302.95 = 73,015.60 : x
  2. Step 2: Convert to fraction form
    123,535.30/185,302.95 = 73,015.60/x
  3. Step 3: Cross multiply
    123,535.30x = 185,302.95 × 73,015.60
  4. Step 4: Simplify right side
    123,535.30x = 13,530,006,076.02
  5. Step 5: Solve for x
    x = 13,530,006,076.02/123,535.30
  6. Step 6: Final answer
    x = 109,523.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.