Home / 122,976.37-169,707.73-71,303.50

Finding the Fourth Proportional to 122,976.37, 169,707.73 and 71,303.50

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Solution

The fourth proportional to 122,976.37, 169,707.73 and 71,303.50 is: 98,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.37 : 169,707.73 = 71,303.50 : x
  2. Step 2: Convert to fraction form
    122,976.37/169,707.73 = 71,303.50/x
  3. Step 3: Cross multiply
    122,976.37x = 169,707.73 × 71,303.50
  4. Step 4: Simplify right side
    122,976.37x = 12,100,755,126.06
  5. Step 5: Solve for x
    x = 12,100,755,126.06/122,976.37
  6. Step 6: Final answer
    x = 98,399.03

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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.