Home / 180,673.43-249,331.33-100,102.22

Finding the Fourth Proportional to 180,673.43, 249,331.33 and 100,102.22

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Solution

The fourth proportional to 180,673.43, 249,331.33 and 100,102.22 is: 138,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,673.43 : 249,331.33 = 100,102.22 : x
  2. Step 2: Convert to fraction form
    180,673.43/249,331.33 = 100,102.22/x
  3. Step 3: Cross multiply
    180,673.43x = 249,331.33 × 100,102.22
  4. Step 4: Simplify right side
    180,673.43x = 24,958,619,462.02
  5. Step 5: Solve for x
    x = 24,958,619,462.02/180,673.43
  6. Step 6: Final answer
    x = 138,142.17

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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.