Home / 126,362.81-174,376.10-69,772.97

Finding the Fourth Proportional to 126,362.81, 174,376.10 and 69,772.97

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Solution

The fourth proportional to 126,362.81, 174,376.10 and 69,772.97 is: 96,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,362.81 : 174,376.10 = 69,772.97 : x
  2. Step 2: Convert to fraction form
    126,362.81/174,376.10 = 69,772.97/x
  3. Step 3: Cross multiply
    126,362.81x = 174,376.10 × 69,772.97
  4. Step 4: Simplify right side
    126,362.81x = 12,166,737,173.27
  5. Step 5: Solve for x
    x = 12,166,737,173.27/126,362.81
  6. Step 6: Final answer
    x = 96,284.17

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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.