Home / 143,840.48-215,762.52-55,099.32

Finding the Fourth Proportional to 143,840.48, 215,762.52 and 55,099.32

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Solution

The fourth proportional to 143,840.48, 215,762.52 and 55,099.32 is: 82,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,840.48 : 215,762.52 = 55,099.32 : x
  2. Step 2: Convert to fraction form
    143,840.48/215,762.52 = 55,099.32/x
  3. Step 3: Cross multiply
    143,840.48x = 215,762.52 × 55,099.32
  4. Step 4: Simplify right side
    143,840.48x = 11,888,368,133.49
  5. Step 5: Solve for x
    x = 11,888,368,133.49/143,840.48
  6. Step 6: Final answer
    x = 82,649.67

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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.