Home / 222,417.84-306,958.59-126,938.91

Finding the Fourth Proportional to 222,417.84, 306,958.59 and 126,938.91

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Solution

The fourth proportional to 222,417.84, 306,958.59 and 126,938.91 is: 175,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,417.84 : 306,958.59 = 126,938.91 : x
  2. Step 2: Convert to fraction form
    222,417.84/306,958.59 = 126,938.91/x
  3. Step 3: Cross multiply
    222,417.84x = 306,958.59 × 126,938.91
  4. Step 4: Simplify right side
    222,417.84x = 38,964,988,829.74
  5. Step 5: Solve for x
    x = 38,964,988,829.74/222,417.84
  6. Step 6: Final answer
    x = 175,188.24

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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.