Home / 154,956.45-232,434.18-87,457.89

Finding the Fourth Proportional to 154,956.45, 232,434.18 and 87,457.89

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Solution

The fourth proportional to 154,956.45, 232,434.18 and 87,457.89 is: 131,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,956.45 : 232,434.18 = 87,457.89 : x
  2. Step 2: Convert to fraction form
    154,956.45/232,434.18 = 87,457.89/x
  3. Step 3: Cross multiply
    154,956.45x = 232,434.18 × 87,457.89
  4. Step 4: Simplify right side
    154,956.45x = 20,328,202,946.68
  5. Step 5: Solve for x
    x = 20,328,202,946.68/154,956.45
  6. Step 6: Final answer
    x = 131,186.56

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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.