Home / 213,689.13-294,871.21-118,193.77

Finding the Fourth Proportional to 213,689.13, 294,871.21 and 118,193.77

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Solution

The fourth proportional to 213,689.13, 294,871.21 and 118,193.77 is: 163,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,689.13 : 294,871.21 = 118,193.77 : x
  2. Step 2: Convert to fraction form
    213,689.13/294,871.21 = 118,193.77/x
  3. Step 3: Cross multiply
    213,689.13x = 294,871.21 × 118,193.77
  4. Step 4: Simplify right side
    213,689.13x = 34,851,939,974.36
  5. Step 5: Solve for x
    x = 34,851,939,974.36/213,689.13
  6. Step 6: Final answer
    x = 163,096.46

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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.