Home / 139,341.48-192,160.26-107,459.88

Finding the Fourth Proportional to 139,341.48, 192,160.26 and 107,459.88

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Solution

The fourth proportional to 139,341.48, 192,160.26 and 107,459.88 is: 148,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,341.48 : 192,160.26 = 107,459.88 : x
  2. Step 2: Convert to fraction form
    139,341.48/192,160.26 = 107,459.88/x
  3. Step 3: Cross multiply
    139,341.48x = 192,160.26 × 107,459.88
  4. Step 4: Simplify right side
    139,341.48x = 20,649,518,480.37
  5. Step 5: Solve for x
    x = 20,649,518,480.37/139,341.48
  6. Step 6: Final answer
    x = 148,193.62

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1.5x scale

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.