Home / 151,458.90-209,004.76-83,475.66

Finding the Fourth Proportional to 151,458.90, 209,004.76 and 83,475.66

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Solution

The fourth proportional to 151,458.90, 209,004.76 and 83,475.66 is: 115,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,458.90 : 209,004.76 = 83,475.66 : x
  2. Step 2: Convert to fraction form
    151,458.90/209,004.76 = 83,475.66/x
  3. Step 3: Cross multiply
    151,458.90x = 209,004.76 × 83,475.66
  4. Step 4: Simplify right side
    151,458.90x = 17,446,810,284.14
  5. Step 5: Solve for x
    x = 17,446,810,284.14/151,458.90
  6. Step 6: Final answer
    x = 115,191.71

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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.