Home / 142,594.36-214,279.28-76,081.48

Finding the Fourth Proportional to 142,594.36, 214,279.28 and 76,081.48

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Solution

The fourth proportional to 142,594.36, 214,279.28 and 76,081.48 is: 114,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,594.36 : 214,279.28 = 76,081.48 : x
  2. Step 2: Convert to fraction form
    142,594.36/214,279.28 = 76,081.48/x
  3. Step 3: Cross multiply
    142,594.36x = 214,279.28 × 76,081.48
  4. Step 4: Simplify right side
    142,594.36x = 16,302,684,755.73
  5. Step 5: Solve for x
    x = 16,302,684,755.73/142,594.36
  6. Step 6: Final answer
    x = 114,329.10

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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.