Home / 142,192.98-213,412.28-57,999.56

Finding the Fourth Proportional to 142,192.98, 213,412.28 and 57,999.56

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Solution

The fourth proportional to 142,192.98, 213,412.28 and 57,999.56 is: 87,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,192.98 : 213,412.28 = 57,999.56 : x
  2. Step 2: Convert to fraction form
    142,192.98/213,412.28 = 57,999.56/x
  3. Step 3: Cross multiply
    142,192.98x = 213,412.28 × 57,999.56
  4. Step 4: Simplify right side
    142,192.98x = 12,377,816,981.54
  5. Step 5: Solve for x
    x = 12,377,816,981.54/142,192.98
  6. Step 6: Final answer
    x = 87,049.42

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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.