Home / 134,831.22-186,065.82-74,402.39

Finding the Fourth Proportional to 134,831.22, 186,065.82 and 74,402.39

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Solution

The fourth proportional to 134,831.22, 186,065.82 and 74,402.39 is: 102,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,831.22 : 186,065.82 = 74,402.39 : x
  2. Step 2: Convert to fraction form
    134,831.22/186,065.82 = 74,402.39/x
  3. Step 3: Cross multiply
    134,831.22x = 186,065.82 × 74,402.39
  4. Step 4: Simplify right side
    134,831.22x = 13,843,740,774.98
  5. Step 5: Solve for x
    x = 13,843,740,774.98/134,831.22
  6. Step 6: Final answer
    x = 102,674.59

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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.