Home / 136,298.46-188,090.47-75,042.71

Finding the Fourth Proportional to 136,298.46, 188,090.47 and 75,042.71

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Solution

The fourth proportional to 136,298.46, 188,090.47 and 75,042.71 is: 103,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.46 : 188,090.47 = 75,042.71 : x
  2. Step 2: Convert to fraction form
    136,298.46/188,090.47 = 75,042.71/x
  3. Step 3: Cross multiply
    136,298.46x = 188,090.47 × 75,042.71
  4. Step 4: Simplify right side
    136,298.46x = 14,114,818,593.97
  5. Step 5: Solve for x
    x = 14,114,818,593.97/136,298.46
  6. Step 6: Final answer
    x = 103,558.17

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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.