Home / 134,941.61-186,220.15-74,512.37

Finding the Fourth Proportional to 134,941.61, 186,220.15 and 74,512.37

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Solution

The fourth proportional to 134,941.61, 186,220.15 and 74,512.37 is: 102,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,941.61 : 186,220.15 = 74,512.37 : x
  2. Step 2: Convert to fraction form
    134,941.61/186,220.15 = 74,512.37/x
  3. Step 3: Cross multiply
    134,941.61x = 186,220.15 × 74,512.37
  4. Step 4: Simplify right side
    134,941.61x = 13,875,704,997.52
  5. Step 5: Solve for x
    x = 13,875,704,997.52/134,941.61
  6. Step 6: Final answer
    x = 102,827.47

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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.