Home / 143,328.66-197,341.77-130,042.62

Finding the Fourth Proportional to 143,328.66, 197,341.77 and 130,042.62

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Solution

The fourth proportional to 143,328.66, 197,341.77 and 130,042.62 is: 179,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,328.66 : 197,341.77 = 130,042.62 : x
  2. Step 2: Convert to fraction form
    143,328.66/197,341.77 = 130,042.62/x
  3. Step 3: Cross multiply
    143,328.66x = 197,341.77 × 130,042.62
  4. Step 4: Simplify right side
    143,328.66x = 25,662,840,806.24
  5. Step 5: Solve for x
    x = 25,662,840,806.24/143,328.66
  6. Step 6: Final answer
    x = 179,048.91

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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.