Home / 162,257.50-223,769.89-135,123.45

Finding the Fourth Proportional to 162,257.50, 223,769.89 and 135,123.45

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Solution

The fourth proportional to 162,257.50, 223,769.89 and 135,123.45 is: 186,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,257.50 : 223,769.89 = 135,123.45 : x
  2. Step 2: Convert to fraction form
    162,257.50/223,769.89 = 135,123.45/x
  3. Step 3: Cross multiply
    162,257.50x = 223,769.89 × 135,123.45
  4. Step 4: Simplify right side
    162,257.50x = 30,236,559,542.92
  5. Step 5: Solve for x
    x = 30,236,559,542.92/162,257.50
  6. Step 6: Final answer
    x = 186,349.23

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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.