Home / 134,625.81-185,784.93-74,196.57

Finding the Fourth Proportional to 134,625.81, 185,784.93 and 74,196.57

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Solution

The fourth proportional to 134,625.81, 185,784.93 and 74,196.57 is: 102,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,625.81 : 185,784.93 = 74,196.57 : x
  2. Step 2: Convert to fraction form
    134,625.81/185,784.93 = 74,196.57/x
  3. Step 3: Cross multiply
    134,625.81x = 185,784.93 × 74,196.57
  4. Step 4: Simplify right side
    134,625.81x = 13,784,604,563.69
  5. Step 5: Solve for x
    x = 13,784,604,563.69/134,625.81
  6. Step 6: Final answer
    x = 102,391.99

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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.