Home / 135,476.67-186,957.78-75,051.24

Finding the Fourth Proportional to 135,476.67, 186,957.78 and 75,051.24

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Solution

The fourth proportional to 135,476.67, 186,957.78 and 75,051.24 is: 103,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,476.67 : 186,957.78 = 75,051.24 : x
  2. Step 2: Convert to fraction form
    135,476.67/186,957.78 = 75,051.24/x
  3. Step 3: Cross multiply
    135,476.67x = 186,957.78 × 75,051.24
  4. Step 4: Simplify right side
    135,476.67x = 14,031,413,216.65
  5. Step 5: Solve for x
    x = 14,031,413,216.65/135,476.67
  6. Step 6: Final answer
    x = 103,570.70

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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.