Home / 180,636.89-249,278.85-100,069.63

Finding the Fourth Proportional to 180,636.89, 249,278.85 and 100,069.63

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Solution

The fourth proportional to 180,636.89, 249,278.85 and 100,069.63 is: 138,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636.89 : 249,278.85 = 100,069.63 : x
  2. Step 2: Convert to fraction form
    180,636.89/249,278.85 = 100,069.63/x
  3. Step 3: Cross multiply
    180,636.89x = 249,278.85 × 100,069.63
  4. Step 4: Simplify right side
    180,636.89x = 24,945,241,663.13
  5. Step 5: Solve for x
    x = 24,945,241,663.13/180,636.89
  6. Step 6: Final answer
    x = 138,096.06

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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.