Home / 119,813.04-179,920.08-115,045.20

Finding the Fourth Proportional to 119,813.04, 179,920.08 and 115,045.20

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Solution

The fourth proportional to 119,813.04, 179,920.08 and 115,045.20 is: 172,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,813.04 : 179,920.08 = 115,045.20 : x
  2. Step 2: Convert to fraction form
    119,813.04/179,920.08 = 115,045.20/x
  3. Step 3: Cross multiply
    119,813.04x = 179,920.08 × 115,045.20
  4. Step 4: Simplify right side
    119,813.04x = 20,698,941,587.62
  5. Step 5: Solve for x
    x = 20,698,941,587.62/119,813.04
  6. Step 6: Final answer
    x = 172,760.34

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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.