Home / 103,346.14-155,020.76-35,880.31

Finding the Fourth Proportional to 103,346.14, 155,020.76 and 35,880.31

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Solution

The fourth proportional to 103,346.14, 155,020.76 and 35,880.31 is: 53,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,346.14 : 155,020.76 = 35,880.31 : x
  2. Step 2: Convert to fraction form
    103,346.14/155,020.76 = 35,880.31/x
  3. Step 3: Cross multiply
    103,346.14x = 155,020.76 × 35,880.31
  4. Step 4: Simplify right side
    103,346.14x = 5,562,192,925.24
  5. Step 5: Solve for x
    x = 5,562,192,925.24/103,346.14
  6. Step 6: Final answer
    x = 53,821.00

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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.