Home / 106,719.10-147,283.77-61,399.06

Finding the Fourth Proportional to 106,719.10, 147,283.77 and 61,399.06

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Solution

The fourth proportional to 106,719.10, 147,283.77 and 61,399.06 is: 84,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,719.10 : 147,283.77 = 61,399.06 : x
  2. Step 2: Convert to fraction form
    106,719.10/147,283.77 = 61,399.06/x
  3. Step 3: Cross multiply
    106,719.10x = 147,283.77 × 61,399.06
  4. Step 4: Simplify right side
    106,719.10x = 9,043,085,031.26
  5. Step 5: Solve for x
    x = 9,043,085,031.26/106,719.10
  6. Step 6: Final answer
    x = 84,737.27

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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.