Home / 119,929.95-165,451.14-76,832.37

Finding the Fourth Proportional to 119,929.95, 165,451.14 and 76,832.37

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Solution

The fourth proportional to 119,929.95, 165,451.14 and 76,832.37 is: 105,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,929.95 : 165,451.14 = 76,832.37 : x
  2. Step 2: Convert to fraction form
    119,929.95/165,451.14 = 76,832.37/x
  3. Step 3: Cross multiply
    119,929.95x = 165,451.14 × 76,832.37
  4. Step 4: Simplify right side
    119,929.95x = 12,712,003,205.40
  5. Step 5: Solve for x
    x = 12,712,003,205.40/119,929.95
  6. Step 6: Final answer
    x = 105,995.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.