Home / 235,748.08-325,322.40-128,318.32

Finding the Fourth Proportional to 235,748.08, 325,322.40 and 128,318.32

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Solution

The fourth proportional to 235,748.08, 325,322.40 and 128,318.32 is: 177,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,748.08 : 325,322.40 = 128,318.32 : x
  2. Step 2: Convert to fraction form
    235,748.08/325,322.40 = 128,318.32/x
  3. Step 3: Cross multiply
    235,748.08x = 325,322.40 × 128,318.32
  4. Step 4: Simplify right side
    235,748.08x = 41,744,823,826.37
  5. Step 5: Solve for x
    x = 41,744,823,826.37/235,748.08
  6. Step 6: Final answer
    x = 177,073.87

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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.