Home / 180,814.93-249,530.52-100,249.95

Finding the Fourth Proportional to 180,814.93, 249,530.52 and 100,249.95

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Solution

The fourth proportional to 180,814.93, 249,530.52 and 100,249.95 is: 138,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,814.93 : 249,530.52 = 100,249.95 : x
  2. Step 2: Convert to fraction form
    180,814.93/249,530.52 = 100,249.95/x
  3. Step 3: Cross multiply
    180,814.93x = 249,530.52 × 100,249.95
  4. Step 4: Simplify right side
    180,814.93x = 25,015,423,465.15
  5. Step 5: Solve for x
    x = 25,015,423,465.15/180,814.93
  6. Step 6: Final answer
    x = 138,348.22

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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.