Home / 146,423.02-219,383.88-79,909.87

Finding the Fourth Proportional to 146,423.02, 219,383.88 and 79,909.87

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Solution

The fourth proportional to 146,423.02, 219,383.88 and 79,909.87 is: 119,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,423.02 : 219,383.88 = 79,909.87 : x
  2. Step 2: Convert to fraction form
    146,423.02/219,383.88 = 79,909.87/x
  3. Step 3: Cross multiply
    146,423.02x = 219,383.88 × 79,909.87
  4. Step 4: Simplify right side
    146,423.02x = 17,530,937,330.90
  5. Step 5: Solve for x
    x = 17,530,937,330.90/146,423.02
  6. Step 6: Final answer
    x = 119,728.01

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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.