Home / 142,125.27-212,954.63-48,579.99

Finding the Fourth Proportional to 142,125.27, 212,954.63 and 48,579.99

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Solution

The fourth proportional to 142,125.27, 212,954.63 and 48,579.99 is: 72,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125.27 : 212,954.63 = 48,579.99 : x
  2. Step 2: Convert to fraction form
    142,125.27/212,954.63 = 48,579.99/x
  3. Step 3: Cross multiply
    142,125.27x = 212,954.63 × 48,579.99
  4. Step 4: Simplify right side
    142,125.27x = 10,345,333,552.95
  5. Step 5: Solve for x
    x = 10,345,333,552.95/142,125.27
  6. Step 6: Final answer
    x = 72,790.25

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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.