Home / 162,123.22-223,752.53-90,507.88

Finding the Fourth Proportional to 162,123.22, 223,752.53 and 90,507.88

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Solution

The fourth proportional to 162,123.22, 223,752.53 and 90,507.88 is: 124,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,123.22 : 223,752.53 = 90,507.88 : x
  2. Step 2: Convert to fraction form
    162,123.22/223,752.53 = 90,507.88/x
  3. Step 3: Cross multiply
    162,123.22x = 223,752.53 × 90,507.88
  4. Step 4: Simplify right side
    162,123.22x = 20,251,365,563.63
  5. Step 5: Solve for x
    x = 20,251,365,563.63/162,123.22
  6. Step 6: Final answer
    x = 124,913.42

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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.