Home / 215,142.96-296,904.60-118,351.08

Finding the Fourth Proportional to 215,142.96, 296,904.60 and 118,351.08

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Solution

The fourth proportional to 215,142.96, 296,904.60 and 118,351.08 is: 163,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,142.96 : 296,904.60 = 118,351.08 : x
  2. Step 2: Convert to fraction form
    215,142.96/296,904.60 = 118,351.08/x
  3. Step 3: Cross multiply
    215,142.96x = 296,904.60 × 118,351.08
  4. Step 4: Simplify right side
    215,142.96x = 35,138,980,066.97
  5. Step 5: Solve for x
    x = 35,138,980,066.97/215,142.96
  6. Step 6: Final answer
    x = 163,328.51

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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.