Home / 163,498.16-225,625.43-91,890.32

Finding the Fourth Proportional to 163,498.16, 225,625.43 and 91,890.32

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Solution

The fourth proportional to 163,498.16, 225,625.43 and 91,890.32 is: 126,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,498.16 : 225,625.43 = 91,890.32 : x
  2. Step 2: Convert to fraction form
    163,498.16/225,625.43 = 91,890.32/x
  3. Step 3: Cross multiply
    163,498.16x = 225,625.43 × 91,890.32
  4. Step 4: Simplify right side
    163,498.16x = 20,732,792,064.44
  5. Step 5: Solve for x
    x = 20,732,792,064.44/163,498.16
  6. Step 6: Final answer
    x = 126,807.49

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1.5x scale

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.