Home / 163,830.08-245,833.42-69,125.90

Finding the Fourth Proportional to 163,830.08, 245,833.42 and 69,125.90

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Solution

The fourth proportional to 163,830.08, 245,833.42 and 69,125.90 is: 103,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,830.08 : 245,833.42 = 69,125.90 : x
  2. Step 2: Convert to fraction form
    163,830.08/245,833.42 = 69,125.90/x
  3. Step 3: Cross multiply
    163,830.08x = 245,833.42 × 69,125.90
  4. Step 4: Simplify right side
    163,830.08x = 16,993,456,407.58
  5. Step 5: Solve for x
    x = 16,993,456,407.58/163,830.08
  6. Step 6: Final answer
    x = 103,726.11

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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.