Home / 113,342.80-169,625.40-104,011.60

Finding the Fourth Proportional to 113,342.80, 169,625.40 and 104,011.60

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Solution

The fourth proportional to 113,342.80, 169,625.40 and 104,011.60 is: 155,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,342.80 : 169,625.40 = 104,011.60 : x
  2. Step 2: Convert to fraction form
    113,342.80/169,625.40 = 104,011.60/x
  3. Step 3: Cross multiply
    113,342.80x = 169,625.40 × 104,011.60
  4. Step 4: Simplify right side
    113,342.80x = 17,643,009,254.64
  5. Step 5: Solve for x
    x = 17,643,009,254.64/113,342.80
  6. Step 6: Final answer
    x = 155,660.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.