Home / 139,346.85-192,270.43-84,862.50

Finding the Fourth Proportional to 139,346.85, 192,270.43 and 84,862.50

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Solution

The fourth proportional to 139,346.85, 192,270.43 and 84,862.50 is: 117,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,346.85 : 192,270.43 = 84,862.50 : x
  2. Step 2: Convert to fraction form
    139,346.85/192,270.43 = 84,862.50/x
  3. Step 3: Cross multiply
    139,346.85x = 192,270.43 × 84,862.50
  4. Step 4: Simplify right side
    139,346.85x = 16,316,549,365.88
  5. Step 5: Solve for x
    x = 16,316,549,365.88/139,346.85
  6. Step 6: Final answer
    x = 117,093.06

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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.