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Finding the Fourth Proportional to 139,465.00, 192,460.23 and 75,802.33

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Solution

The fourth proportional to 139,465.00, 192,460.23 and 75,802.33 is: 104,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,465.00 : 192,460.23 = 75,802.33 : x
  2. Step 2: Convert to fraction form
    139,465.00/192,460.23 = 75,802.33/x
  3. Step 3: Cross multiply
    139,465.00x = 192,460.23 × 75,802.33
  4. Step 4: Simplify right side
    139,465.00x = 14,588,933,385.19
  5. Step 5: Solve for x
    x = 14,588,933,385.19/139,465.00
  6. Step 6: Final answer
    x = 104,606.41

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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.