Home / 103,523.36-142,857.48-63,304.16

Finding the Fourth Proportional to 103,523.36, 142,857.48 and 63,304.16

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Solution

The fourth proportional to 103,523.36, 142,857.48 and 63,304.16 is: 87,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.36 : 142,857.48 = 63,304.16 : x
  2. Step 2: Convert to fraction form
    103,523.36/142,857.48 = 63,304.16/x
  3. Step 3: Cross multiply
    103,523.36x = 142,857.48 × 63,304.16
  4. Step 4: Simplify right side
    103,523.36x = 9,043,472,771.12
  5. Step 5: Solve for x
    x = 9,043,472,771.12/103,523.36
  6. Step 6: Final answer
    x = 87,356.83

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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.