Home / 207,454.43-286,350.59-121,433.55

Finding the Fourth Proportional to 207,454.43, 286,350.59 and 121,433.55

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Solution

The fourth proportional to 207,454.43, 286,350.59 and 121,433.55 is: 167,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,454.43 : 286,350.59 = 121,433.55 : x
  2. Step 2: Convert to fraction form
    207,454.43/286,350.59 = 121,433.55/x
  3. Step 3: Cross multiply
    207,454.43x = 286,350.59 × 121,433.55
  4. Step 4: Simplify right side
    207,454.43x = 34,772,568,688.29
  5. Step 5: Solve for x
    x = 34,772,568,688.29/207,454.43
  6. Step 6: Final answer
    x = 167,615.46

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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.