Home / 122,829.64-169,503.80-69,113.58

Finding the Fourth Proportional to 122,829.64, 169,503.80 and 69,113.58

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Solution

The fourth proportional to 122,829.64, 169,503.80 and 69,113.58 is: 95,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,829.64 : 169,503.80 = 69,113.58 : x
  2. Step 2: Convert to fraction form
    122,829.64/169,503.80 = 69,113.58/x
  3. Step 3: Cross multiply
    122,829.64x = 169,503.80 × 69,113.58
  4. Step 4: Simplify right side
    122,829.64x = 11,715,014,441.60
  5. Step 5: Solve for x
    x = 11,715,014,441.60/122,829.64
  6. Step 6: Final answer
    x = 95,376.12

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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.