Home / 134,823-186,052.14-74,390.52

Finding the Fourth Proportional to 134,823, 186,052.14 and 74,390.52

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Solution

The fourth proportional to 134,823, 186,052.14 and 74,390.52 is: 102,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,823 : 186,052.14 = 74,390.52 : x
  2. Step 2: Convert to fraction form
    134,823/186,052.14 = 74,390.52/x
  3. Step 3: Cross multiply
    134,823x = 186,052.14 × 74,390.52
  4. Step 4: Simplify right side
    134,823x = 13,840,515,441.71
  5. Step 5: Solve for x
    x = 13,840,515,441.71/134,823
  6. Step 6: Final answer
    x = 102,656.93

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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.