Home / 142,125.54-213,062.82-57,956.10

Finding the Fourth Proportional to 142,125.54, 213,062.82 and 57,956.10

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Solution

The fourth proportional to 142,125.54, 213,062.82 and 57,956.10 is: 86,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125.54 : 213,062.82 = 57,956.10 : x
  2. Step 2: Convert to fraction form
    142,125.54/213,062.82 = 57,956.10/x
  3. Step 3: Cross multiply
    142,125.54x = 213,062.82 × 57,956.10
  4. Step 4: Simplify right side
    142,125.54x = 12,348,290,102.20
  5. Step 5: Solve for x
    x = 12,348,290,102.20/142,125.54
  6. Step 6: Final answer
    x = 86,882.98

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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.