Home / 152,043.52-209,819.53-84,975.52

Finding the Fourth Proportional to 152,043.52, 209,819.53 and 84,975.52

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Solution

The fourth proportional to 152,043.52, 209,819.53 and 84,975.52 is: 117,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,043.52 : 209,819.53 = 84,975.52 : x
  2. Step 2: Convert to fraction form
    152,043.52/209,819.53 = 84,975.52/x
  3. Step 3: Cross multiply
    152,043.52x = 209,819.53 × 84,975.52
  4. Step 4: Simplify right side
    152,043.52x = 17,829,522,193.93
  5. Step 5: Solve for x
    x = 17,829,522,193.93/152,043.52
  6. Step 6: Final answer
    x = 117,265.92

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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.