Home / 135,533.07-187,036.74-75,104.73

Finding the Fourth Proportional to 135,533.07, 187,036.74 and 75,104.73

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Solution

The fourth proportional to 135,533.07, 187,036.74 and 75,104.73 is: 103,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,533.07 : 187,036.74 = 75,104.73 : x
  2. Step 2: Convert to fraction form
    135,533.07/187,036.74 = 75,104.73/x
  3. Step 3: Cross multiply
    135,533.07x = 187,036.74 × 75,104.73
  4. Step 4: Simplify right side
    135,533.07x = 14,047,342,884.40
  5. Step 5: Solve for x
    x = 14,047,342,884.40/135,533.07
  6. Step 6: Final answer
    x = 103,645.13

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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.