Home / 146,512.40-219,775.80-76,528.40

Finding the Fourth Proportional to 146,512.40, 219,775.80 and 76,528.40

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Solution

The fourth proportional to 146,512.40, 219,775.80 and 76,528.40 is: 114,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,512.40 : 219,775.80 = 76,528.40 : x
  2. Step 2: Convert to fraction form
    146,512.40/219,775.80 = 76,528.40/x
  3. Step 3: Cross multiply
    146,512.40x = 219,775.80 × 76,528.40
  4. Step 4: Simplify right side
    146,512.40x = 16,819,090,332.72
  5. Step 5: Solve for x
    x = 16,819,090,332.72/146,512.40
  6. Step 6: Final answer
    x = 114,796.36

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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.