Home / 213,042.79-294,005.20-117,555.63

Finding the Fourth Proportional to 213,042.79, 294,005.20 and 117,555.63

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Solution

The fourth proportional to 213,042.79, 294,005.20 and 117,555.63 is: 162,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,042.79 : 294,005.20 = 117,555.63 : x
  2. Step 2: Convert to fraction form
    213,042.79/294,005.20 = 117,555.63/x
  3. Step 3: Cross multiply
    213,042.79x = 294,005.20 × 117,555.63
  4. Step 4: Simplify right side
    213,042.79x = 34,561,966,509.28
  5. Step 5: Solve for x
    x = 34,561,966,509.28/213,042.79
  6. Step 6: Final answer
    x = 162,230.16

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1.5x scale

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.