Home / 119,579.80-165,031.77-89,312.58

Finding the Fourth Proportional to 119,579.80, 165,031.77 and 89,312.58

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Solution

The fourth proportional to 119,579.80, 165,031.77 and 89,312.58 is: 123,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579.80 : 165,031.77 = 89,312.58 : x
  2. Step 2: Convert to fraction form
    119,579.80/165,031.77 = 89,312.58/x
  3. Step 3: Cross multiply
    119,579.80x = 165,031.77 × 89,312.58
  4. Step 4: Simplify right side
    119,579.80x = 14,739,413,160.67
  5. Step 5: Solve for x
    x = 14,739,413,160.67/119,579.80
  6. Step 6: Final answer
    x = 123,260.06

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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.