Home / 106,827.43-147,420.91-59,079.75

Finding the Fourth Proportional to 106,827.43, 147,420.91 and 59,079.75

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Solution

The fourth proportional to 106,827.43, 147,420.91 and 59,079.75 is: 81,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,827.43 : 147,420.91 = 59,079.75 : x
  2. Step 2: Convert to fraction form
    106,827.43/147,420.91 = 59,079.75/x
  3. Step 3: Cross multiply
    106,827.43x = 147,420.91 × 59,079.75
  4. Step 4: Simplify right side
    106,827.43x = 8,709,590,507.57
  5. Step 5: Solve for x
    x = 8,709,590,507.57/106,827.43
  6. Step 6: Final answer
    x = 81,529.53

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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.