Home / 180,940.30-249,708.22-100,376.69

Finding the Fourth Proportional to 180,940.30, 249,708.22 and 100,376.69

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Solution

The fourth proportional to 180,940.30, 249,708.22 and 100,376.69 is: 138,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,940.30 : 249,708.22 = 100,376.69 : x
  2. Step 2: Convert to fraction form
    180,940.30/249,708.22 = 100,376.69/x
  3. Step 3: Cross multiply
    180,940.30x = 249,708.22 × 100,376.69
  4. Step 4: Simplify right side
    180,940.30x = 25,064,883,089.91
  5. Step 5: Solve for x
    x = 25,064,883,089.91/180,940.30
  6. Step 6: Final answer
    x = 138,525.71

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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.