Home / 134,831.52-186,066-74,402.64

Finding the Fourth Proportional to 134,831.52, 186,066 and 74,402.64

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Solution

The fourth proportional to 134,831.52, 186,066 and 74,402.64 is: 102,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,831.52 : 186,066 = 74,402.64 : x
  2. Step 2: Convert to fraction form
    134,831.52/186,066 = 74,402.64/x
  3. Step 3: Cross multiply
    134,831.52x = 186,066 × 74,402.64
  4. Step 4: Simplify right side
    134,831.52x = 13,843,801,614.24
  5. Step 5: Solve for x
    x = 13,843,801,614.24/134,831.52
  6. Step 6: Final answer
    x = 102,674.82

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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.