Home / 213,149.12-294,145.80-117,655.84

Finding the Fourth Proportional to 213,149.12, 294,145.80 and 117,655.84

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Solution

The fourth proportional to 213,149.12, 294,145.80 and 117,655.84 is: 162,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,149.12 : 294,145.80 = 117,655.84 : x
  2. Step 2: Convert to fraction form
    213,149.12/294,145.80 = 117,655.84/x
  3. Step 3: Cross multiply
    213,149.12x = 294,145.80 × 117,655.84
  4. Step 4: Simplify right side
    213,149.12x = 34,607,971,181.47
  5. Step 5: Solve for x
    x = 34,607,971,181.47/213,149.12
  6. Step 6: Final answer
    x = 162,365.07

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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.