Home / 122,913.32-169,607.40-69,197.36

Finding the Fourth Proportional to 122,913.32, 169,607.40 and 69,197.36

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Solution

The fourth proportional to 122,913.32, 169,607.40 and 69,197.36 is: 95,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,913.32 : 169,607.40 = 69,197.36 : x
  2. Step 2: Convert to fraction form
    122,913.32/169,607.40 = 69,197.36/x
  3. Step 3: Cross multiply
    122,913.32x = 169,607.40 × 69,197.36
  4. Step 4: Simplify right side
    122,913.32x = 11,736,384,316.46
  5. Step 5: Solve for x
    x = 11,736,384,316.46/122,913.32
  6. Step 6: Final answer
    x = 95,485.05

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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.