Home / 135,607.06-187,130.35-75,174.18

Finding the Fourth Proportional to 135,607.06, 187,130.35 and 75,174.18

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Solution

The fourth proportional to 135,607.06, 187,130.35 and 75,174.18 is: 103,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,607.06 : 187,130.35 = 75,174.18 : x
  2. Step 2: Convert to fraction form
    135,607.06/187,130.35 = 75,174.18/x
  3. Step 3: Cross multiply
    135,607.06x = 187,130.35 × 75,174.18
  4. Step 4: Simplify right side
    135,607.06x = 14,067,370,006.59
  5. Step 5: Solve for x
    x = 14,067,370,006.59/135,607.06
  6. Step 6: Final answer
    x = 103,736.26

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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.