Home / 135,533.42-187,037.23-75,105.08

Finding the Fourth Proportional to 135,533.42, 187,037.23 and 75,105.08

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Solution

The fourth proportional to 135,533.42, 187,037.23 and 75,105.08 is: 103,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,533.42 : 187,037.23 = 75,105.08 : x
  2. Step 2: Convert to fraction form
    135,533.42/187,037.23 = 75,105.08/x
  3. Step 3: Cross multiply
    135,533.42x = 187,037.23 × 75,105.08
  4. Step 4: Simplify right side
    135,533.42x = 14,047,445,261.52
  5. Step 5: Solve for x
    x = 14,047,445,261.52/135,533.42
  6. Step 6: Final answer
    x = 103,645.62

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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.