Home / 213,308.10-294,421.86-132,689.76

Finding the Fourth Proportional to 213,308.10, 294,421.86 and 132,689.76

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Solution

The fourth proportional to 213,308.10, 294,421.86 and 132,689.76 is: 183,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,308.10 : 294,421.86 = 132,689.76 : x
  2. Step 2: Convert to fraction form
    213,308.10/294,421.86 = 132,689.76/x
  3. Step 3: Cross multiply
    213,308.10x = 294,421.86 × 132,689.76
  4. Step 4: Simplify right side
    213,308.10x = 39,066,765,942.15
  5. Step 5: Solve for x
    x = 39,066,765,942.15/213,308.10
  6. Step 6: Final answer
    x = 183,147.13

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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.