Home / 146,822.60-220,233.90-76,723.40

Finding the Fourth Proportional to 146,822.60, 220,233.90 and 76,723.40

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Solution

The fourth proportional to 146,822.60, 220,233.90 and 76,723.40 is: 115,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.60 : 220,233.90 = 76,723.40 : x
  2. Step 2: Convert to fraction form
    146,822.60/220,233.90 = 76,723.40/x
  3. Step 3: Cross multiply
    146,822.60x = 220,233.90 × 76,723.40
  4. Step 4: Simplify right side
    146,822.60x = 16,897,093,603.26
  5. Step 5: Solve for x
    x = 16,897,093,603.26/146,822.60
  6. Step 6: Final answer
    x = 115,085.10

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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.