Home / 126,730.32-174,875.96-75,732.89

Finding the Fourth Proportional to 126,730.32, 174,875.96 and 75,732.89

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Solution

The fourth proportional to 126,730.32, 174,875.96 and 75,732.89 is: 104,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.32 : 174,875.96 = 75,732.89 : x
  2. Step 2: Convert to fraction form
    126,730.32/174,875.96 = 75,732.89/x
  3. Step 3: Cross multiply
    126,730.32x = 174,875.96 × 75,732.89
  4. Step 4: Simplify right side
    126,730.32x = 13,243,861,842.32
  5. Step 5: Solve for x
    x = 13,243,861,842.32/126,730.32
  6. Step 6: Final answer
    x = 104,504.29

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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.