Home / 126,464.60-174,602.50-81,162.11

Finding the Fourth Proportional to 126,464.60, 174,602.50 and 81,162.11

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Solution

The fourth proportional to 126,464.60, 174,602.50 and 81,162.11 is: 112,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,464.60 : 174,602.50 = 81,162.11 : x
  2. Step 2: Convert to fraction form
    126,464.60/174,602.50 = 81,162.11/x
  3. Step 3: Cross multiply
    126,464.60x = 174,602.50 × 81,162.11
  4. Step 4: Simplify right side
    126,464.60x = 14,171,106,235.36
  5. Step 5: Solve for x
    x = 14,171,106,235.36/126,464.60
  6. Step 6: Final answer
    x = 112,055.92

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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.