Home / 146,172.04-219,325.02-79,512.28

Finding the Fourth Proportional to 146,172.04, 219,325.02 and 79,512.28

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Solution

The fourth proportional to 146,172.04, 219,325.02 and 79,512.28 is: 119,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,172.04 : 219,325.02 = 79,512.28 : x
  2. Step 2: Convert to fraction form
    146,172.04/219,325.02 = 79,512.28/x
  3. Step 3: Cross multiply
    146,172.04x = 219,325.02 × 79,512.28
  4. Step 4: Simplify right side
    146,172.04x = 17,439,032,401.25
  5. Step 5: Solve for x
    x = 17,439,032,401.25/146,172.04
  6. Step 6: Final answer
    x = 119,304.84

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1.5x scale

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.