Home / 154,165.48-231,095.13-74,186.89

Finding the Fourth Proportional to 154,165.48, 231,095.13 and 74,186.89

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Solution

The fourth proportional to 154,165.48, 231,095.13 and 74,186.89 is: 111,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,165.48 : 231,095.13 = 74,186.89 : x
  2. Step 2: Convert to fraction form
    154,165.48/231,095.13 = 74,186.89/x
  3. Step 3: Cross multiply
    154,165.48x = 231,095.13 × 74,186.89
  4. Step 4: Simplify right side
    154,165.48x = 17,144,228,988.85
  5. Step 5: Solve for x
    x = 17,144,228,988.85/154,165.48
  6. Step 6: Final answer
    x = 111,206.67

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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.