Home / 178,143.36-245,840.46-97,578.36

Finding the Fourth Proportional to 178,143.36, 245,840.46 and 97,578.36

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Solution

The fourth proportional to 178,143.36, 245,840.46 and 97,578.36 is: 134,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,143.36 : 245,840.46 = 97,578.36 : x
  2. Step 2: Convert to fraction form
    178,143.36/245,840.46 = 97,578.36/x
  3. Step 3: Cross multiply
    178,143.36x = 245,840.46 × 97,578.36
  4. Step 4: Simplify right side
    178,143.36x = 23,988,708,908.45
  5. Step 5: Solve for x
    x = 23,988,708,908.45/178,143.36
  6. Step 6: Final answer
    x = 134,659.57

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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.