Home / 180,863.12-249,531.36-109,215.92

Finding the Fourth Proportional to 180,863.12, 249,531.36 and 109,215.92

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Solution

The fourth proportional to 180,863.12, 249,531.36 and 109,215.92 is: 150,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,863.12 : 249,531.36 = 109,215.92 : x
  2. Step 2: Convert to fraction form
    180,863.12/249,531.36 = 109,215.92/x
  3. Step 3: Cross multiply
    180,863.12x = 249,531.36 × 109,215.92
  4. Step 4: Simplify right side
    180,863.12x = 27,252,797,051.25
  5. Step 5: Solve for x
    x = 27,252,797,051.25/180,863.12
  6. Step 6: Final answer
    x = 150,681.89

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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.