Home / 122,966.15-169,699.61-75,204.50

Finding the Fourth Proportional to 122,966.15, 169,699.61 and 75,204.50

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Solution

The fourth proportional to 122,966.15, 169,699.61 and 75,204.50 is: 103,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,966.15 : 169,699.61 = 75,204.50 : x
  2. Step 2: Convert to fraction form
    122,966.15/169,699.61 = 75,204.50/x
  3. Step 3: Cross multiply
    122,966.15x = 169,699.61 × 75,204.50
  4. Step 4: Simplify right side
    122,966.15x = 12,762,173,944.22
  5. Step 5: Solve for x
    x = 12,762,173,944.22/122,966.15
  6. Step 6: Final answer
    x = 103,786.07

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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.