Home / 151,513.28-209,089.79-83,532.75

Finding the Fourth Proportional to 151,513.28, 209,089.79 and 83,532.75

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Solution

The fourth proportional to 151,513.28, 209,089.79 and 83,532.75 is: 115,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,513.28 : 209,089.79 = 83,532.75 : x
  2. Step 2: Convert to fraction form
    151,513.28/209,089.79 = 83,532.75/x
  3. Step 3: Cross multiply
    151,513.28x = 209,089.79 × 83,532.75
  4. Step 4: Simplify right side
    151,513.28x = 17,465,845,155.62
  5. Step 5: Solve for x
    x = 17,465,845,155.62/151,513.28
  6. Step 6: Final answer
    x = 115,276.00

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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.