Home / 180,567.20-248,923.04-126,685.28

Finding the Fourth Proportional to 180,567.20, 248,923.04 and 126,685.28

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Solution

The fourth proportional to 180,567.20, 248,923.04 and 126,685.28 is: 174,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,567.20 : 248,923.04 = 126,685.28 : x
  2. Step 2: Convert to fraction form
    180,567.20/248,923.04 = 126,685.28/x
  3. Step 3: Cross multiply
    180,567.20x = 248,923.04 × 126,685.28
  4. Step 4: Simplify right side
    180,567.20x = 31,534,885,020.85
  5. Step 5: Solve for x
    x = 31,534,885,020.85/180,567.20
  6. Step 6: Final answer
    x = 174,643.48

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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.