Home / 212,661.81-293,483.21-126,601.29

Finding the Fourth Proportional to 212,661.81, 293,483.21 and 126,601.29

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Solution

The fourth proportional to 212,661.81, 293,483.21 and 126,601.29 is: 174,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,661.81 : 293,483.21 = 126,601.29 : x
  2. Step 2: Convert to fraction form
    212,661.81/293,483.21 = 126,601.29/x
  3. Step 3: Cross multiply
    212,661.81x = 293,483.21 × 126,601.29
  4. Step 4: Simplify right side
    212,661.81x = 37,155,352,346.33
  5. Step 5: Solve for x
    x = 37,155,352,346.33/212,661.81
  6. Step 6: Final answer
    x = 174,715.68

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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.