Home / 213,615.86-294,784.05-118,119.29

Finding the Fourth Proportional to 213,615.86, 294,784.05 and 118,119.29

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Solution

The fourth proportional to 213,615.86, 294,784.05 and 118,119.29 is: 163,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,615.86 : 294,784.05 = 118,119.29 : x
  2. Step 2: Convert to fraction form
    213,615.86/294,784.05 = 118,119.29/x
  3. Step 3: Cross multiply
    213,615.86x = 294,784.05 × 118,119.29
  4. Step 4: Simplify right side
    213,615.86x = 34,819,682,689.32
  5. Step 5: Solve for x
    x = 34,819,682,689.32/213,615.86
  6. Step 6: Final answer
    x = 163,001.39

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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.