Home / 122,971.40-169,698.84-69,261.74

Finding the Fourth Proportional to 122,971.40, 169,698.84 and 69,261.74

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Solution

The fourth proportional to 122,971.40, 169,698.84 and 69,261.74 is: 95,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,971.40 : 169,698.84 = 69,261.74 : x
  2. Step 2: Convert to fraction form
    122,971.40/169,698.84 = 69,261.74/x
  3. Step 3: Cross multiply
    122,971.40x = 169,698.84 × 69,261.74
  4. Step 4: Simplify right side
    122,971.40x = 11,753,636,934.38
  5. Step 5: Solve for x
    x = 11,753,636,934.38/122,971.40
  6. Step 6: Final answer
    x = 95,580.25

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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.