Home / 213,746.70-294,969.15-118,251.35

Finding the Fourth Proportional to 213,746.70, 294,969.15 and 118,251.35

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Solution

The fourth proportional to 213,746.70, 294,969.15 and 118,251.35 is: 163,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,746.70 : 294,969.15 = 118,251.35 : x
  2. Step 2: Convert to fraction form
    213,746.70/294,969.15 = 118,251.35/x
  3. Step 3: Cross multiply
    213,746.70x = 294,969.15 × 118,251.35
  4. Step 4: Simplify right side
    213,746.70x = 34,880,500,195.85
  5. Step 5: Solve for x
    x = 34,880,500,195.85/213,746.70
  6. Step 6: Final answer
    x = 163,186.15

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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.