Home / 123,050.40-184,575.60-100,888.80

Finding the Fourth Proportional to 123,050.40, 184,575.60 and 100,888.80

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Solution

The fourth proportional to 123,050.40, 184,575.60 and 100,888.80 is: 151,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,050.40 : 184,575.60 = 100,888.80 : x
  2. Step 2: Convert to fraction form
    123,050.40/184,575.60 = 100,888.80/x
  3. Step 3: Cross multiply
    123,050.40x = 184,575.60 × 100,888.80
  4. Step 4: Simplify right side
    123,050.40x = 18,621,610,793.28
  5. Step 5: Solve for x
    x = 18,621,610,793.28/123,050.40
  6. Step 6: Final answer
    x = 151,333.20

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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.