Home / 153,977.82-212,636.13-145,591.59

Finding the Fourth Proportional to 153,977.82, 212,636.13 and 145,591.59

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Solution

The fourth proportional to 153,977.82, 212,636.13 and 145,591.59 is: 201,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,977.82 : 212,636.13 = 145,591.59 : x
  2. Step 2: Convert to fraction form
    153,977.82/212,636.13 = 145,591.59/x
  3. Step 3: Cross multiply
    153,977.82x = 212,636.13 × 145,591.59
  4. Step 4: Simplify right side
    153,977.82x = 30,958,032,258.15
  5. Step 5: Solve for x
    x = 30,958,032,258.15/153,977.82
  6. Step 6: Final answer
    x = 201,055.14

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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.