Home / 154,946.70-232,419.57-87,448.13

Finding the Fourth Proportional to 154,946.70, 232,419.57 and 87,448.13

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Solution

The fourth proportional to 154,946.70, 232,419.57 and 87,448.13 is: 131,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,946.70 : 232,419.57 = 87,448.13 : x
  2. Step 2: Convert to fraction form
    154,946.70/232,419.57 = 87,448.13/x
  3. Step 3: Cross multiply
    154,946.70x = 232,419.57 × 87,448.13
  4. Step 4: Simplify right side
    154,946.70x = 20,324,655,609.81
  5. Step 5: Solve for x
    x = 20,324,655,609.81/154,946.70
  6. Step 6: Final answer
    x = 131,171.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.