Home / 146,624.20-220,022.70-53,117.80

Finding the Fourth Proportional to 146,624.20, 220,022.70 and 53,117.80

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Solution

The fourth proportional to 146,624.20, 220,022.70 and 53,117.80 is: 79,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,624.20 : 220,022.70 = 53,117.80 : x
  2. Step 2: Convert to fraction form
    146,624.20/220,022.70 = 53,117.80/x
  3. Step 3: Cross multiply
    146,624.20x = 220,022.70 × 53,117.80
  4. Step 4: Simplify right side
    146,624.20x = 11,687,121,774.06
  5. Step 5: Solve for x
    x = 11,687,121,774.06/146,624.20
  6. Step 6: Final answer
    x = 79,708.00

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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.