Home / 135,037.72-186,352.41-74,610.10

Finding the Fourth Proportional to 135,037.72, 186,352.41 and 74,610.10

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Solution

The fourth proportional to 135,037.72, 186,352.41 and 74,610.10 is: 102,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,037.72 : 186,352.41 = 74,610.10 : x
  2. Step 2: Convert to fraction form
    135,037.72/186,352.41 = 74,610.10/x
  3. Step 3: Cross multiply
    135,037.72x = 186,352.41 × 74,610.10
  4. Step 4: Simplify right side
    135,037.72x = 13,903,771,945.34
  5. Step 5: Solve for x
    x = 13,903,771,945.34/135,037.72
  6. Step 6: Final answer
    x = 102,962.13

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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.