Home / 143,731.34-215,610.34-48,929.67

Finding the Fourth Proportional to 143,731.34, 215,610.34 and 48,929.67

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Solution

The fourth proportional to 143,731.34, 215,610.34 and 48,929.67 is: 73,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,731.34 : 215,610.34 = 48,929.67 : x
  2. Step 2: Convert to fraction form
    143,731.34/215,610.34 = 48,929.67/x
  3. Step 3: Cross multiply
    143,731.34x = 215,610.34 × 48,929.67
  4. Step 4: Simplify right side
    143,731.34x = 10,549,742,784.79
  5. Step 5: Solve for x
    x = 10,549,742,784.79/143,731.34
  6. Step 6: Final answer
    x = 73,399.04

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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.