Home / 146,749.40-220,124.10-144,781.10

Finding the Fourth Proportional to 146,749.40, 220,124.10 and 144,781.10

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Solution

The fourth proportional to 146,749.40, 220,124.10 and 144,781.10 is: 217,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.40 : 220,124.10 = 144,781.10 : x
  2. Step 2: Convert to fraction form
    146,749.40/220,124.10 = 144,781.10/x
  3. Step 3: Cross multiply
    146,749.40x = 220,124.10 × 144,781.10
  4. Step 4: Simplify right side
    146,749.40x = 31,869,809,334.51
  5. Step 5: Solve for x
    x = 31,869,809,334.51/146,749.40
  6. Step 6: Final answer
    x = 217,171.65

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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.