Home / 213,981.62-295,291.01-118,486.26

Finding the Fourth Proportional to 213,981.62, 295,291.01 and 118,486.26

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Solution

The fourth proportional to 213,981.62, 295,291.01 and 118,486.26 is: 163,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,981.62 : 295,291.01 = 118,486.26 : x
  2. Step 2: Convert to fraction form
    213,981.62/295,291.01 = 118,486.26/x
  3. Step 3: Cross multiply
    213,981.62x = 295,291.01 × 118,486.26
  4. Step 4: Simplify right side
    213,981.62x = 34,987,928,420.97
  5. Step 5: Solve for x
    x = 34,987,928,420.97/213,981.62
  6. Step 6: Final answer
    x = 163,509.04

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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.