Home / 122,731.02-169,369.83-69,015.59

Finding the Fourth Proportional to 122,731.02, 169,369.83 and 69,015.59

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Solution

The fourth proportional to 122,731.02, 169,369.83 and 69,015.59 is: 95,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,731.02 : 169,369.83 = 69,015.59 : x
  2. Step 2: Convert to fraction form
    122,731.02/169,369.83 = 69,015.59/x
  3. Step 3: Cross multiply
    122,731.02x = 169,369.83 × 69,015.59
  4. Step 4: Simplify right side
    122,731.02x = 11,689,157,898.80
  5. Step 5: Solve for x
    x = 11,689,157,898.80/122,731.02
  6. Step 6: Final answer
    x = 95,242.08

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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.