Home / 122,713.84-169,340.72-69,001.94

Finding the Fourth Proportional to 122,713.84, 169,340.72 and 69,001.94

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Solution

The fourth proportional to 122,713.84, 169,340.72 and 69,001.94 is: 95,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,713.84 : 169,340.72 = 69,001.94 : x
  2. Step 2: Convert to fraction form
    122,713.84/169,340.72 = 69,001.94/x
  3. Step 3: Cross multiply
    122,713.84x = 169,340.72 × 69,001.94
  4. Step 4: Simplify right side
    122,713.84x = 11,684,838,201.00
  5. Step 5: Solve for x
    x = 11,684,838,201.00/122,713.84
  6. Step 6: Final answer
    x = 95,220.21

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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.