Home / 162,172.81-243,259.20-83,236.69

Finding the Fourth Proportional to 162,172.81, 243,259.20 and 83,236.69

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Solution

The fourth proportional to 162,172.81, 243,259.20 and 83,236.69 is: 124,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,172.81 : 243,259.20 = 83,236.69 : x
  2. Step 2: Convert to fraction form
    162,172.81/243,259.20 = 83,236.69/x
  3. Step 3: Cross multiply
    162,172.81x = 243,259.20 × 83,236.69
  4. Step 4: Simplify right side
    162,172.81x = 20,248,090,620.05
  5. Step 5: Solve for x
    x = 20,248,090,620.05/162,172.81
  6. Step 6: Final answer
    x = 124,855.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.