Home / 135,832.77-187,440.35-75,403.38

Finding the Fourth Proportional to 135,832.77, 187,440.35 and 75,403.38

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Solution

The fourth proportional to 135,832.77, 187,440.35 and 75,403.38 is: 104,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,832.77 : 187,440.35 = 75,403.38 : x
  2. Step 2: Convert to fraction form
    135,832.77/187,440.35 = 75,403.38/x
  3. Step 3: Cross multiply
    135,832.77x = 187,440.35 × 75,403.38
  4. Step 4: Simplify right side
    135,832.77x = 14,133,635,938.38
  5. Step 5: Solve for x
    x = 14,133,635,938.38/135,832.77
  6. Step 6: Final answer
    x = 104,051.74

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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.