Home / 135,741.15-187,548.08-107,278.83

Finding the Fourth Proportional to 135,741.15, 187,548.08 and 107,278.83

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Solution

The fourth proportional to 135,741.15, 187,548.08 and 107,278.83 is: 148,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,741.15 : 187,548.08 = 107,278.83 : x
  2. Step 2: Convert to fraction form
    135,741.15/187,548.08 = 107,278.83/x
  3. Step 3: Cross multiply
    135,741.15x = 187,548.08 × 107,278.83
  4. Step 4: Simplify right side
    135,741.15x = 20,119,938,054.75
  5. Step 5: Solve for x
    x = 20,119,938,054.75/135,741.15
  6. Step 6: Final answer
    x = 148,222.83

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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.