Home / 162,043.20-223,619.56-90,423.66

Finding the Fourth Proportional to 162,043.20, 223,619.56 and 90,423.66

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Solution

The fourth proportional to 162,043.20, 223,619.56 and 90,423.66 is: 124,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,043.20 : 223,619.56 = 90,423.66 : x
  2. Step 2: Convert to fraction form
    162,043.20/223,619.56 = 90,423.66/x
  3. Step 3: Cross multiply
    162,043.20x = 223,619.56 × 90,423.66
  4. Step 4: Simplify right side
    162,043.20x = 20,220,499,062.79
  5. Step 5: Solve for x
    x = 20,220,499,062.79/162,043.20
  6. Step 6: Final answer
    x = 124,784.62

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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.