Home / 206,575.47-285,073.02-115,931.34

Finding the Fourth Proportional to 206,575.47, 285,073.02 and 115,931.34

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Solution

The fourth proportional to 206,575.47, 285,073.02 and 115,931.34 is: 159,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,575.47 : 285,073.02 = 115,931.34 : x
  2. Step 2: Convert to fraction form
    206,575.47/285,073.02 = 115,931.34/x
  3. Step 3: Cross multiply
    206,575.47x = 285,073.02 × 115,931.34
  4. Step 4: Simplify right side
    206,575.47x = 33,048,897,206.45
  5. Step 5: Solve for x
    x = 33,048,897,206.45/206,575.47
  6. Step 6: Final answer
    x = 159,984.62

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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.