Home / 129,236.58-178,355.52-75,527.51

Finding the Fourth Proportional to 129,236.58, 178,355.52 and 75,527.51

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Solution

The fourth proportional to 129,236.58, 178,355.52 and 75,527.51 is: 104,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,236.58 : 178,355.52 = 75,527.51 : x
  2. Step 2: Convert to fraction form
    129,236.58/178,355.52 = 75,527.51/x
  3. Step 3: Cross multiply
    129,236.58x = 178,355.52 × 75,527.51
  4. Step 4: Simplify right side
    129,236.58x = 13,470,747,428.58
  5. Step 5: Solve for x
    x = 13,470,747,428.58/129,236.58
  6. Step 6: Final answer
    x = 104,233.24

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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.