Home / 119,988-179,948.88-45,102.24

Finding the Fourth Proportional to 119,988, 179,948.88 and 45,102.24

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Solution

The fourth proportional to 119,988, 179,948.88 and 45,102.24 is: 67,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,988 : 179,948.88 = 45,102.24 : x
  2. Step 2: Convert to fraction form
    119,988/179,948.88 = 45,102.24/x
  3. Step 3: Cross multiply
    119,988x = 179,948.88 × 45,102.24
  4. Step 4: Simplify right side
    119,988x = 8,116,097,573.49
  5. Step 5: Solve for x
    x = 8,116,097,573.49/119,988
  6. Step 6: Final answer
    x = 67,640.91

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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.