Home / 146,909.70-220,364.55-138,052.35

Finding the Fourth Proportional to 146,909.70, 220,364.55 and 138,052.35

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Solution

The fourth proportional to 146,909.70, 220,364.55 and 138,052.35 is: 207,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909.70 : 220,364.55 = 138,052.35 : x
  2. Step 2: Convert to fraction form
    146,909.70/220,364.55 = 138,052.35/x
  3. Step 3: Cross multiply
    146,909.70x = 220,364.55 × 138,052.35
  4. Step 4: Simplify right side
    146,909.70x = 30,421,843,984.19
  5. Step 5: Solve for x
    x = 30,421,843,984.19/146,909.70
  6. Step 6: Final answer
    x = 207,078.53

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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.