Home / 121,820.10-182,723.64-38,707.62

Finding the Fourth Proportional to 121,820.10, 182,723.64 and 38,707.62

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Solution

The fourth proportional to 121,820.10, 182,723.64 and 38,707.62 is: 58,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,820.10 : 182,723.64 = 38,707.62 : x
  2. Step 2: Convert to fraction form
    121,820.10/182,723.64 = 38,707.62/x
  3. Step 3: Cross multiply
    121,820.10x = 182,723.64 × 38,707.62
  4. Step 4: Simplify right side
    121,820.10x = 7,072,797,222.14
  5. Step 5: Solve for x
    x = 7,072,797,222.14/121,820.10
  6. Step 6: Final answer
    x = 58,059.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.