Home / 222,238.18-306,693.93-126,742.82

Finding the Fourth Proportional to 222,238.18, 306,693.93 and 126,742.82

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Solution

The fourth proportional to 222,238.18, 306,693.93 and 126,742.82 is: 174,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,238.18 : 306,693.93 = 126,742.82 : x
  2. Step 2: Convert to fraction form
    222,238.18/306,693.93 = 126,742.82/x
  3. Step 3: Cross multiply
    222,238.18x = 306,693.93 × 126,742.82
  4. Step 4: Simplify right side
    222,238.18x = 38,871,253,565.08
  5. Step 5: Solve for x
    x = 38,871,253,565.08/222,238.18
  6. Step 6: Final answer
    x = 174,908.08

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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.