Home / 122,768.31-169,420.30-69,053.36

Finding the Fourth Proportional to 122,768.31, 169,420.30 and 69,053.36

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Solution

The fourth proportional to 122,768.31, 169,420.30 and 69,053.36 is: 95,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,768.31 : 169,420.30 = 69,053.36 : x
  2. Step 2: Convert to fraction form
    122,768.31/169,420.30 = 69,053.36/x
  3. Step 3: Cross multiply
    122,768.31x = 169,420.30 × 69,053.36
  4. Step 4: Simplify right side
    122,768.31x = 11,699,041,014.38
  5. Step 5: Solve for x
    x = 11,699,041,014.38/122,768.31
  6. Step 6: Final answer
    x = 95,293.66

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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.