Home / 155,043.03-213,946.25-93,812.03

Finding the Fourth Proportional to 155,043.03, 213,946.25 and 93,812.03

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Solution

The fourth proportional to 155,043.03, 213,946.25 and 93,812.03 is: 129,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,043.03 : 213,946.25 = 93,812.03 : x
  2. Step 2: Convert to fraction form
    155,043.03/213,946.25 = 93,812.03/x
  3. Step 3: Cross multiply
    155,043.03x = 213,946.25 × 93,812.03
  4. Step 4: Simplify right side
    155,043.03x = 20,070,730,484.60
  5. Step 5: Solve for x
    x = 20,070,730,484.60/155,043.03
  6. Step 6: Final answer
    x = 129,452.65

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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.