Home / 106,758.36-147,341.18-61,435.42

Finding the Fourth Proportional to 106,758.36, 147,341.18 and 61,435.42

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Solution

The fourth proportional to 106,758.36, 147,341.18 and 61,435.42 is: 84,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.36 : 147,341.18 = 61,435.42 : x
  2. Step 2: Convert to fraction form
    106,758.36/147,341.18 = 61,435.42/x
  3. Step 3: Cross multiply
    106,758.36x = 147,341.18 × 61,435.42
  4. Step 4: Simplify right side
    106,758.36x = 9,051,967,276.60
  5. Step 5: Solve for x
    x = 9,051,967,276.60/106,758.36
  6. Step 6: Final answer
    x = 84,789.31

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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.