Home / 116,793.36-160,985.54-91,255.19

Finding the Fourth Proportional to 116,793.36, 160,985.54 and 91,255.19

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Solution

The fourth proportional to 116,793.36, 160,985.54 and 91,255.19 is: 125,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,793.36 : 160,985.54 = 91,255.19 : x
  2. Step 2: Convert to fraction form
    116,793.36/160,985.54 = 91,255.19/x
  3. Step 3: Cross multiply
    116,793.36x = 160,985.54 × 91,255.19
  4. Step 4: Simplify right side
    116,793.36x = 14,690,765,463.16
  5. Step 5: Solve for x
    x = 14,690,765,463.16/116,793.36
  6. Step 6: Final answer
    x = 125,784.25

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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.