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Finding the Fourth Proportional to 103,011, 154,528.75 and 36,437.51

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Solution

The fourth proportional to 103,011, 154,528.75 and 36,437.51 is: 54,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,011 : 154,528.75 = 36,437.51 : x
  2. Step 2: Convert to fraction form
    103,011/154,528.75 = 36,437.51/x
  3. Step 3: Cross multiply
    103,011x = 154,528.75 × 36,437.51
  4. Step 4: Simplify right side
    103,011x = 5,630,642,100.77
  5. Step 5: Solve for x
    x = 5,630,642,100.77/103,011
  6. Step 6: Final answer
    x = 54,660.59

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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.