Home / 134,662.90-185,954.40-83,762.86

Finding the Fourth Proportional to 134,662.90, 185,954.40 and 83,762.86

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Solution

The fourth proportional to 134,662.90, 185,954.40 and 83,762.86 is: 115,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,662.90 : 185,954.40 = 83,762.86 : x
  2. Step 2: Convert to fraction form
    134,662.90/185,954.40 = 83,762.86/x
  3. Step 3: Cross multiply
    134,662.90x = 185,954.40 × 83,762.86
  4. Step 4: Simplify right side
    134,662.90x = 15,576,072,373.58
  5. Step 5: Solve for x
    x = 15,576,072,373.58/134,662.90
  6. Step 6: Final answer
    x = 115,667.14

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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.