Home / 143,650.36-215,501.26-48,875.77

Finding the Fourth Proportional to 143,650.36, 215,501.26 and 48,875.77

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Solution

The fourth proportional to 143,650.36, 215,501.26 and 48,875.77 is: 73,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650.36 : 215,501.26 = 48,875.77 : x
  2. Step 2: Convert to fraction form
    143,650.36/215,501.26 = 48,875.77/x
  3. Step 3: Cross multiply
    143,650.36x = 215,501.26 × 48,875.77
  4. Step 4: Simplify right side
    143,650.36x = 10,532,790,018.47
  5. Step 5: Solve for x
    x = 10,532,790,018.47/143,650.36
  6. Step 6: Final answer
    x = 73,322.41

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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.