Home / 134,933.47-186,204.63-74,502.81

Finding the Fourth Proportional to 134,933.47, 186,204.63 and 74,502.81

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Solution

The fourth proportional to 134,933.47, 186,204.63 and 74,502.81 is: 102,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,933.47 : 186,204.63 = 74,502.81 : x
  2. Step 2: Convert to fraction form
    134,933.47/186,204.63 = 74,502.81/x
  3. Step 3: Cross multiply
    134,933.47x = 186,204.63 × 74,502.81
  4. Step 4: Simplify right side
    134,933.47x = 13,872,768,170.01
  5. Step 5: Solve for x
    x = 13,872,768,170.01/134,933.47
  6. Step 6: Final answer
    x = 102,811.91

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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.