Home / 134,949.76-186,230.67-74,520.52

Finding the Fourth Proportional to 134,949.76, 186,230.67 and 74,520.52

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Solution

The fourth proportional to 134,949.76, 186,230.67 and 74,520.52 is: 102,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,949.76 : 186,230.67 = 74,520.52 : x
  2. Step 2: Convert to fraction form
    134,949.76/186,230.67 = 74,520.52/x
  3. Step 3: Cross multiply
    134,949.76x = 186,230.67 × 74,520.52
  4. Step 4: Simplify right side
    134,949.76x = 13,878,006,368.35
  5. Step 5: Solve for x
    x = 13,878,006,368.35/134,949.76
  6. Step 6: Final answer
    x = 102,838.32

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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.