Home / 163,678.97-245,517.48-42,099.32

Finding the Fourth Proportional to 163,678.97, 245,517.48 and 42,099.32

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Solution

The fourth proportional to 163,678.97, 245,517.48 and 42,099.32 is: 63,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,678.97 : 245,517.48 = 42,099.32 : x
  2. Step 2: Convert to fraction form
    163,678.97/245,517.48 = 42,099.32/x
  3. Step 3: Cross multiply
    163,678.97x = 245,517.48 × 42,099.32
  4. Step 4: Simplify right side
    163,678.97x = 10,336,117,728.53
  5. Step 5: Solve for x
    x = 10,336,117,728.53/163,678.97
  6. Step 6: Final answer
    x = 63,148.72

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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.