Home / 101,929.16-152,819.80-51,359.28

Finding the Fourth Proportional to 101,929.16, 152,819.80 and 51,359.28

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Solution

The fourth proportional to 101,929.16, 152,819.80 and 51,359.28 is: 77,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,929.16 : 152,819.80 = 51,359.28 : x
  2. Step 2: Convert to fraction form
    101,929.16/152,819.80 = 51,359.28/x
  3. Step 3: Cross multiply
    101,929.16x = 152,819.80 × 51,359.28
  4. Step 4: Simplify right side
    101,929.16x = 7,848,714,897.74
  5. Step 5: Solve for x
    x = 7,848,714,897.74/101,929.16
  6. Step 6: Final answer
    x = 77,001.66

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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.