Home / 134,344.90-185,270.10-83,365.90

Finding the Fourth Proportional to 134,344.90, 185,270.10 and 83,365.90

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Solution

The fourth proportional to 134,344.90, 185,270.10 and 83,365.90 is: 114,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,344.90 : 185,270.10 = 83,365.90 : x
  2. Step 2: Convert to fraction form
    134,344.90/185,270.10 = 83,365.90/x
  3. Step 3: Cross multiply
    134,344.90x = 185,270.10 × 83,365.90
  4. Step 4: Simplify right side
    134,344.90x = 15,445,208,629.59
  5. Step 5: Solve for x
    x = 15,445,208,629.59/134,344.90
  6. Step 6: Final answer
    x = 114,966.84

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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.