Home / 661,972.80-992,968.92-163,336.80

Finding the Fourth Proportional to 661,972.80, 992,968.92 and 163,336.80

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Solution

The fourth proportional to 661,972.80, 992,968.92 and 163,336.80 is: 245,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,972.80 : 992,968.92 = 163,336.80 : x
  2. Step 2: Convert to fraction form
    661,972.80/992,968.92 = 163,336.80/x
  3. Step 3: Cross multiply
    661,972.80x = 992,968.92 × 163,336.80
  4. Step 4: Simplify right side
    661,972.80x = 162,188,365,892.26
  5. Step 5: Solve for x
    x = 162,188,365,892.26/661,972.80
  6. Step 6: Final answer
    x = 245,007.60

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1.5x scale

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.