Home / 119,312.10-178,964.03-30,566.48

Finding the Fourth Proportional to 119,312.10, 178,964.03 and 30,566.48

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Solution

The fourth proportional to 119,312.10, 178,964.03 and 30,566.48 is: 45,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,312.10 : 178,964.03 = 30,566.48 : x
  2. Step 2: Convert to fraction form
    119,312.10/178,964.03 = 30,566.48/x
  3. Step 3: Cross multiply
    119,312.10x = 178,964.03 × 30,566.48
  4. Step 4: Simplify right side
    119,312.10x = 5,470,299,625.31
  5. Step 5: Solve for x
    x = 5,470,299,625.31/119,312.10
  6. Step 6: Final answer
    x = 45,848.66

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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.