Home / 162,555.21-224,338.01-90,958.30

Finding the Fourth Proportional to 162,555.21, 224,338.01 and 90,958.30

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Solution

The fourth proportional to 162,555.21, 224,338.01 and 90,958.30 is: 125,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,555.21 : 224,338.01 = 90,958.30 : x
  2. Step 2: Convert to fraction form
    162,555.21/224,338.01 = 90,958.30/x
  3. Step 3: Cross multiply
    162,555.21x = 224,338.01 × 90,958.30
  4. Step 4: Simplify right side
    162,555.21x = 20,405,402,999.35
  5. Step 5: Solve for x
    x = 20,405,402,999.35/162,555.21
  6. Step 6: Final answer
    x = 125,529.06

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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.