Home / 103,198.23-142,429.12-62,935.35

Finding the Fourth Proportional to 103,198.23, 142,429.12 and 62,935.35

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Solution

The fourth proportional to 103,198.23, 142,429.12 and 62,935.35 is: 86,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,198.23 : 142,429.12 = 62,935.35 : x
  2. Step 2: Convert to fraction form
    103,198.23/142,429.12 = 62,935.35/x
  3. Step 3: Cross multiply
    103,198.23x = 142,429.12 × 62,935.35
  4. Step 4: Simplify right side
    103,198.23x = 8,963,825,490.57
  5. Step 5: Solve for x
    x = 8,963,825,490.57/103,198.23
  6. Step 6: Final answer
    x = 86,860.27

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1.5x scale

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.