Home / 180,784.63-249,456.59-100,212.13

Finding the Fourth Proportional to 180,784.63, 249,456.59 and 100,212.13

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Solution

The fourth proportional to 180,784.63, 249,456.59 and 100,212.13 is: 138,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,784.63 : 249,456.59 = 100,212.13 : x
  2. Step 2: Convert to fraction form
    180,784.63/249,456.59 = 100,212.13/x
  3. Step 3: Cross multiply
    180,784.63x = 249,456.59 × 100,212.13
  4. Step 4: Simplify right side
    180,784.63x = 24,998,576,226.44
  5. Step 5: Solve for x
    x = 24,998,576,226.44/180,784.63
  6. Step 6: Final answer
    x = 138,278.22

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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.