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Finding the Fourth Proportional to 146,594.40, 220,021.20 and 125,599.20

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Solution

The fourth proportional to 146,594.40, 220,021.20 and 125,599.20 is: 188,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,594.40 : 220,021.20 = 125,599.20 : x
  2. Step 2: Convert to fraction form
    146,594.40/220,021.20 = 125,599.20/x
  3. Step 3: Cross multiply
    146,594.40x = 220,021.20 × 125,599.20
  4. Step 4: Simplify right side
    146,594.40x = 27,634,486,703.04
  5. Step 5: Solve for x
    x = 27,634,486,703.04/146,594.40
  6. Step 6: Final answer
    x = 188,509.84

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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.