Home / 180,785.27-249,457.46-100,212.75

Finding the Fourth Proportional to 180,785.27, 249,457.46 and 100,212.75

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Solution

The fourth proportional to 180,785.27, 249,457.46 and 100,212.75 is: 138,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,785.27 : 249,457.46 = 100,212.75 : x
  2. Step 2: Convert to fraction form
    180,785.27/249,457.46 = 100,212.75/x
  3. Step 3: Cross multiply
    180,785.27x = 249,457.46 × 100,212.75
  4. Step 4: Simplify right side
    180,785.27x = 24,998,817,573.55
  5. Step 5: Solve for x
    x = 24,998,817,573.55/180,785.27
  6. Step 6: Final answer
    x = 138,279.06

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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.