Home / 113,032.08-155,998.08-65,285.37

Finding the Fourth Proportional to 113,032.08, 155,998.08 and 65,285.37

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Solution

The fourth proportional to 113,032.08, 155,998.08 and 65,285.37 is: 90,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,032.08 : 155,998.08 = 65,285.37 : x
  2. Step 2: Convert to fraction form
    113,032.08/155,998.08 = 65,285.37/x
  3. Step 3: Cross multiply
    113,032.08x = 155,998.08 × 65,285.37
  4. Step 4: Simplify right side
    113,032.08x = 10,184,392,372.09
  5. Step 5: Solve for x
    x = 10,184,392,372.09/113,032.08
  6. Step 6: Final answer
    x = 90,101.79

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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.