Home / 162,247.20-223,898.76-90,628.20

Finding the Fourth Proportional to 162,247.20, 223,898.76 and 90,628.20

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Solution

The fourth proportional to 162,247.20, 223,898.76 and 90,628.20 is: 125,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,247.20 : 223,898.76 = 90,628.20 : x
  2. Step 2: Convert to fraction form
    162,247.20/223,898.76 = 90,628.20/x
  3. Step 3: Cross multiply
    162,247.20x = 223,898.76 × 90,628.20
  4. Step 4: Simplify right side
    162,247.20x = 20,291,541,601.03
  5. Step 5: Solve for x
    x = 20,291,541,601.03/162,247.20
  6. Step 6: Final answer
    x = 125,065.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.