Home / 135,533.79-187,037.72-75,105.44

Finding the Fourth Proportional to 135,533.79, 187,037.72 and 75,105.44

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Solution

The fourth proportional to 135,533.79, 187,037.72 and 75,105.44 is: 103,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,533.79 : 187,037.72 = 75,105.44 : x
  2. Step 2: Convert to fraction form
    135,533.79/187,037.72 = 75,105.44/x
  3. Step 3: Cross multiply
    135,533.79x = 187,037.72 × 75,105.44
  4. Step 4: Simplify right side
    135,533.79x = 14,047,549,322.01
  5. Step 5: Solve for x
    x = 14,047,549,322.01/135,533.79
  6. Step 6: Final answer
    x = 103,646.11

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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.