Home / 102,984.87-154,535.70-55,599.33

Finding the Fourth Proportional to 102,984.87, 154,535.70 and 55,599.33

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Solution

The fourth proportional to 102,984.87, 154,535.70 and 55,599.33 is: 83,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,984.87 : 154,535.70 = 55,599.33 : x
  2. Step 2: Convert to fraction form
    102,984.87/154,535.70 = 55,599.33/x
  3. Step 3: Cross multiply
    102,984.87x = 154,535.70 × 55,599.33
  4. Step 4: Simplify right side
    102,984.87x = 8,592,081,381.08
  5. Step 5: Solve for x
    x = 8,592,081,381.08/102,984.87
  6. Step 6: Final answer
    x = 83,430.52

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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.