Home / 178,097.44-245,565.92-142,172.32

Finding the Fourth Proportional to 178,097.44, 245,565.92 and 142,172.32

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Solution

The fourth proportional to 178,097.44, 245,565.92 and 142,172.32 is: 196,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,097.44 : 245,565.92 = 142,172.32 : x
  2. Step 2: Convert to fraction form
    178,097.44/245,565.92 = 142,172.32/x
  3. Step 3: Cross multiply
    178,097.44x = 245,565.92 × 142,172.32
  4. Step 4: Simplify right side
    178,097.44x = 34,912,676,559.33
  5. Step 5: Solve for x
    x = 34,912,676,559.33/178,097.44
  6. Step 6: Final answer
    x = 196,031.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.