Home / 180,699.84-249,362.06-100,126.66

Finding the Fourth Proportional to 180,699.84, 249,362.06 and 100,126.66

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Solution

The fourth proportional to 180,699.84, 249,362.06 and 100,126.66 is: 138,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,699.84 : 249,362.06 = 100,126.66 : x
  2. Step 2: Convert to fraction form
    180,699.84/249,362.06 = 100,126.66/x
  3. Step 3: Cross multiply
    180,699.84x = 249,362.06 × 100,126.66
  4. Step 4: Simplify right side
    180,699.84x = 24,967,790,198.52
  5. Step 5: Solve for x
    x = 24,967,790,198.52/180,699.84
  6. Step 6: Final answer
    x = 138,172.73

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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.