Home / 146,985.30-220,509.27-83,835.54

Finding the Fourth Proportional to 146,985.30, 220,509.27 and 83,835.54

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Solution

The fourth proportional to 146,985.30, 220,509.27 and 83,835.54 is: 125,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,985.30 : 220,509.27 = 83,835.54 : x
  2. Step 2: Convert to fraction form
    146,985.30/220,509.27 = 83,835.54/x
  3. Step 3: Cross multiply
    146,985.30x = 220,509.27 × 83,835.54
  4. Step 4: Simplify right side
    146,985.30x = 18,486,513,725.46
  5. Step 5: Solve for x
    x = 18,486,513,725.46/146,985.30
  6. Step 6: Final answer
    x = 125,771.17

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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.