Home / 180,799.24-249,486.13-100,219.90

Finding the Fourth Proportional to 180,799.24, 249,486.13 and 100,219.90

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Solution

The fourth proportional to 180,799.24, 249,486.13 and 100,219.90 is: 138,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.24 : 249,486.13 = 100,219.90 : x
  2. Step 2: Convert to fraction form
    180,799.24/249,486.13 = 100,219.90/x
  3. Step 3: Cross multiply
    180,799.24x = 249,486.13 × 100,219.90
  4. Step 4: Simplify right side
    180,799.24x = 25,003,474,999.99
  5. Step 5: Solve for x
    x = 25,003,474,999.99/180,799.24
  6. Step 6: Final answer
    x = 138,294.14

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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.