Home / 213,984.57-295,295.04-118,489.21

Finding the Fourth Proportional to 213,984.57, 295,295.04 and 118,489.21

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Solution

The fourth proportional to 213,984.57, 295,295.04 and 118,489.21 is: 163,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,984.57 : 295,295.04 = 118,489.21 : x
  2. Step 2: Convert to fraction form
    213,984.57/295,295.04 = 118,489.21/x
  3. Step 3: Cross multiply
    213,984.57x = 295,295.04 × 118,489.21
  4. Step 4: Simplify right side
    213,984.57x = 34,989,276,006.52
  5. Step 5: Solve for x
    x = 34,989,276,006.52/213,984.57
  6. Step 6: Final answer
    x = 163,513.08

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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.