Home / 221,902.69-306,150.92-126,341.72

Finding the Fourth Proportional to 221,902.69, 306,150.92 and 126,341.72

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Solution

The fourth proportional to 221,902.69, 306,150.92 and 126,341.72 is: 174,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,902.69 : 306,150.92 = 126,341.72 : x
  2. Step 2: Convert to fraction form
    221,902.69/306,150.92 = 126,341.72/x
  3. Step 3: Cross multiply
    221,902.69x = 306,150.92 × 126,341.72
  4. Step 4: Simplify right side
    221,902.69x = 38,679,634,638.53
  5. Step 5: Solve for x
    x = 38,679,634,638.53/221,902.69
  6. Step 6: Final answer
    x = 174,308.99

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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.