Home / 103,022.89-154,592.35-55,637.28

Finding the Fourth Proportional to 103,022.89, 154,592.35 and 55,637.28

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Solution

The fourth proportional to 103,022.89, 154,592.35 and 55,637.28 is: 83,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,022.89 : 154,592.35 = 55,637.28 : x
  2. Step 2: Convert to fraction form
    103,022.89/154,592.35 = 55,637.28/x
  3. Step 3: Cross multiply
    103,022.89x = 154,592.35 × 55,637.28
  4. Step 4: Simplify right side
    103,022.89x = 8,601,097,723.71
  5. Step 5: Solve for x
    x = 8,601,097,723.71/103,022.89
  6. Step 6: Final answer
    x = 83,487.25

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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.