Home / 125,897.97-173,739.85-69,309.35

Finding the Fourth Proportional to 125,897.97, 173,739.85 and 69,309.35

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Solution

The fourth proportional to 125,897.97, 173,739.85 and 69,309.35 is: 95,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,897.97 : 173,739.85 = 69,309.35 : x
  2. Step 2: Convert to fraction form
    125,897.97/173,739.85 = 69,309.35/x
  3. Step 3: Cross multiply
    125,897.97x = 173,739.85 × 69,309.35
  4. Step 4: Simplify right side
    125,897.97x = 12,041,795,203.90
  5. Step 5: Solve for x
    x = 12,041,795,203.90/125,897.97
  6. Step 6: Final answer
    x = 95,647.25

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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.