Home / 122,901.81-169,620.67-69,197.30

Finding the Fourth Proportional to 122,901.81, 169,620.67 and 69,197.30

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Solution

The fourth proportional to 122,901.81, 169,620.67 and 69,197.30 is: 95,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,901.81 : 169,620.67 = 69,197.30 : x
  2. Step 2: Convert to fraction form
    122,901.81/169,620.67 = 69,197.30/x
  3. Step 3: Cross multiply
    122,901.81x = 169,620.67 × 69,197.30
  4. Step 4: Simplify right side
    122,901.81x = 11,737,291,980.22
  5. Step 5: Solve for x
    x = 11,737,291,980.22/122,901.81
  6. Step 6: Final answer
    x = 95,501.37

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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.