Home / 142,846.29-214,138.22-76,332.33

Finding the Fourth Proportional to 142,846.29, 214,138.22 and 76,332.33

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Solution

The fourth proportional to 142,846.29, 214,138.22 and 76,332.33 is: 114,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,846.29 : 214,138.22 = 76,332.33 : x
  2. Step 2: Convert to fraction form
    142,846.29/214,138.22 = 76,332.33/x
  3. Step 3: Cross multiply
    142,846.29x = 214,138.22 × 76,332.33
  4. Step 4: Simplify right side
    142,846.29x = 16,345,668,892.99
  5. Step 5: Solve for x
    x = 16,345,668,892.99/142,846.29
  6. Step 6: Final answer
    x = 114,428.38

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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.