Home / 122,901.40-169,620.08-69,196.92

Finding the Fourth Proportional to 122,901.40, 169,620.08 and 69,196.92

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Solution

The fourth proportional to 122,901.40, 169,620.08 and 69,196.92 is: 95,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,901.40 : 169,620.08 = 69,196.92 : x
  2. Step 2: Convert to fraction form
    122,901.40/169,620.08 = 69,196.92/x
  3. Step 3: Cross multiply
    122,901.40x = 169,620.08 × 69,196.92
  4. Step 4: Simplify right side
    122,901.40x = 11,737,187,106.15
  5. Step 5: Solve for x
    x = 11,737,187,106.15/122,901.40
  6. Step 6: Final answer
    x = 95,500.84

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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.