Home / 142,910.39-214,320.65-51,714.02

Finding the Fourth Proportional to 142,910.39, 214,320.65 and 51,714.02

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Solution

The fourth proportional to 142,910.39, 214,320.65 and 51,714.02 is: 77,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,910.39 : 214,320.65 = 51,714.02 : x
  2. Step 2: Convert to fraction form
    142,910.39/214,320.65 = 51,714.02/x
  3. Step 3: Cross multiply
    142,910.39x = 214,320.65 × 51,714.02
  4. Step 4: Simplify right side
    142,910.39x = 11,083,382,657.74
  5. Step 5: Solve for x
    x = 11,083,382,657.74/142,910.39
  6. Step 6: Final answer
    x = 77,554.77

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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.