Home / 213,578.23-294,739.32-118,088.32

Finding the Fourth Proportional to 213,578.23, 294,739.32 and 118,088.32

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Solution

The fourth proportional to 213,578.23, 294,739.32 and 118,088.32 is: 162,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,578.23 : 294,739.32 = 118,088.32 : x
  2. Step 2: Convert to fraction form
    213,578.23/294,739.32 = 118,088.32/x
  3. Step 3: Cross multiply
    213,578.23x = 294,739.32 × 118,088.32
  4. Step 4: Simplify right side
    213,578.23x = 34,805,271,136.74
  5. Step 5: Solve for x
    x = 34,805,271,136.74/213,578.23
  6. Step 6: Final answer
    x = 162,962.63

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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.