Home / 143,837.56-215,756.16-38,656.48

Finding the Fourth Proportional to 143,837.56, 215,756.16 and 38,656.48

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Solution

The fourth proportional to 143,837.56, 215,756.16 and 38,656.48 is: 57,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,837.56 : 215,756.16 = 38,656.48 : x
  2. Step 2: Convert to fraction form
    143,837.56/215,756.16 = 38,656.48/x
  3. Step 3: Cross multiply
    143,837.56x = 215,756.16 × 38,656.48
  4. Step 4: Simplify right side
    143,837.56x = 8,340,373,683.92
  5. Step 5: Solve for x
    x = 8,340,373,683.92/143,837.56
  6. Step 6: Final answer
    x = 57,984.67

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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.