Home / 180,699.21-249,358.17-104,221.50

Finding the Fourth Proportional to 180,699.21, 249,358.17 and 104,221.50

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Solution

The fourth proportional to 180,699.21, 249,358.17 and 104,221.50 is: 143,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,699.21 : 249,358.17 = 104,221.50 : x
  2. Step 2: Convert to fraction form
    180,699.21/249,358.17 = 104,221.50/x
  3. Step 3: Cross multiply
    180,699.21x = 249,358.17 × 104,221.50
  4. Step 4: Simplify right side
    180,699.21x = 25,988,482,514.66
  5. Step 5: Solve for x
    x = 25,988,482,514.66/180,699.21
  6. Step 6: Final answer
    x = 143,821.78

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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.