Home / 180,379.28-249,022.80-135,040.96

Finding the Fourth Proportional to 180,379.28, 249,022.80 and 135,040.96

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Solution

The fourth proportional to 180,379.28, 249,022.80 and 135,040.96 is: 186,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,379.28 : 249,022.80 = 135,040.96 : x
  2. Step 2: Convert to fraction form
    180,379.28/249,022.80 = 135,040.96/x
  3. Step 3: Cross multiply
    180,379.28x = 249,022.80 × 135,040.96
  4. Step 4: Simplify right side
    180,379.28x = 33,628,277,973.89
  5. Step 5: Solve for x
    x = 33,628,277,973.89/180,379.28
  6. Step 6: Final answer
    x = 186,430.94

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1.5x scale

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.