Home / 102,905.16-154,376.10-36,383.91

Finding the Fourth Proportional to 102,905.16, 154,376.10 and 36,383.91

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Solution

The fourth proportional to 102,905.16, 154,376.10 and 36,383.91 is: 54,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,905.16 : 154,376.10 = 36,383.91 : x
  2. Step 2: Convert to fraction form
    102,905.16/154,376.10 = 36,383.91/x
  3. Step 3: Cross multiply
    102,905.16x = 154,376.10 × 36,383.91
  4. Step 4: Simplify right side
    102,905.16x = 5,616,805,174.75
  5. Step 5: Solve for x
    x = 5,616,805,174.75/102,905.16
  6. Step 6: Final answer
    x = 54,582.35

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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.