Home / 134,961.50-186,246.88-75,345.50

Finding the Fourth Proportional to 134,961.50, 186,246.88 and 75,345.50

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Solution

The fourth proportional to 134,961.50, 186,246.88 and 75,345.50 is: 103,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,961.50 : 186,246.88 = 75,345.50 : x
  2. Step 2: Convert to fraction form
    134,961.50/186,246.88 = 75,345.50/x
  3. Step 3: Cross multiply
    134,961.50x = 186,246.88 × 75,345.50
  4. Step 4: Simplify right side
    134,961.50x = 14,032,864,297.04
  5. Step 5: Solve for x
    x = 14,032,864,297.04/134,961.50
  6. Step 6: Final answer
    x = 103,976.80

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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.