Home / 170,022.70-254,815.35-103,392.10

Finding the Fourth Proportional to 170,022.70, 254,815.35 and 103,392.10

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Solution

The fourth proportional to 170,022.70, 254,815.35 and 103,392.10 is: 154,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,022.70 : 254,815.35 = 103,392.10 : x
  2. Step 2: Convert to fraction form
    170,022.70/254,815.35 = 103,392.10/x
  3. Step 3: Cross multiply
    170,022.70x = 254,815.35 × 103,392.10
  4. Step 4: Simplify right side
    170,022.70x = 26,345,894,148.74
  5. Step 5: Solve for x
    x = 26,345,894,148.74/170,022.70
  6. Step 6: Final answer
    x = 154,955.16

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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.