Home / 162,220.56-243,247.77-86,362.19

Finding the Fourth Proportional to 162,220.56, 243,247.77 and 86,362.19

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Solution

The fourth proportional to 162,220.56, 243,247.77 and 86,362.19 is: 129,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,220.56 : 243,247.77 = 86,362.19 : x
  2. Step 2: Convert to fraction form
    162,220.56/243,247.77 = 86,362.19/x
  3. Step 3: Cross multiply
    162,220.56x = 243,247.77 × 86,362.19
  4. Step 4: Simplify right side
    162,220.56x = 21,007,410,737.94
  5. Step 5: Solve for x
    x = 21,007,410,737.94/162,220.56
  6. Step 6: Final answer
    x = 129,499.06

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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.