Home / 159,783.90-220,501.62-88,163.94

Finding the Fourth Proportional to 159,783.90, 220,501.62 and 88,163.94

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Solution

The fourth proportional to 159,783.90, 220,501.62 and 88,163.94 is: 121,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,783.90 : 220,501.62 = 88,163.94 : x
  2. Step 2: Convert to fraction form
    159,783.90/220,501.62 = 88,163.94/x
  3. Step 3: Cross multiply
    159,783.90x = 220,501.62 × 88,163.94
  4. Step 4: Simplify right side
    159,783.90x = 19,440,291,595.58
  5. Step 5: Solve for x
    x = 19,440,291,595.58/159,783.90
  6. Step 6: Final answer
    x = 121,666.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.