Home / 142,394.31-213,623.91-75,799.35

Finding the Fourth Proportional to 142,394.31, 213,623.91 and 75,799.35

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Solution

The fourth proportional to 142,394.31, 213,623.91 and 75,799.35 is: 113,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,394.31 : 213,623.91 = 75,799.35 : x
  2. Step 2: Convert to fraction form
    142,394.31/213,623.91 = 75,799.35/x
  3. Step 3: Cross multiply
    142,394.31x = 213,623.91 × 75,799.35
  4. Step 4: Simplify right side
    142,394.31x = 16,192,553,522.46
  5. Step 5: Solve for x
    x = 16,192,553,522.46/142,394.31
  6. Step 6: Final answer
    x = 113,716.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.