Home / 134,810.28-186,039.21-74,383.14

Finding the Fourth Proportional to 134,810.28, 186,039.21 and 74,383.14

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Solution

The fourth proportional to 134,810.28, 186,039.21 and 74,383.14 is: 102,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,810.28 : 186,039.21 = 74,383.14 : x
  2. Step 2: Convert to fraction form
    134,810.28/186,039.21 = 74,383.14/x
  3. Step 3: Cross multiply
    134,810.28x = 186,039.21 × 74,383.14
  4. Step 4: Simplify right side
    134,810.28x = 13,838,180,602.92
  5. Step 5: Solve for x
    x = 13,838,180,602.92/134,810.28
  6. Step 6: Final answer
    x = 102,649.30

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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.