Home / 94,730.60-142,211.10-71,172.20

Finding the Fourth Proportional to 94,730.60, 142,211.10 and 71,172.20

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Solution

The fourth proportional to 94,730.60, 142,211.10 and 71,172.20 is: 106,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,730.60 : 142,211.10 = 71,172.20 : x
  2. Step 2: Convert to fraction form
    94,730.60/142,211.10 = 71,172.20/x
  3. Step 3: Cross multiply
    94,730.60x = 142,211.10 × 71,172.20
  4. Step 4: Simplify right side
    94,730.60x = 10,121,476,851.42
  5. Step 5: Solve for x
    x = 10,121,476,851.42/94,730.60
  6. Step 6: Final answer
    x = 106,844.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.