Home / 221,808.60-306,150.27-126,371.55

Finding the Fourth Proportional to 221,808.60, 306,150.27 and 126,371.55

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Solution

The fourth proportional to 221,808.60, 306,150.27 and 126,371.55 is: 174,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,808.60 : 306,150.27 = 126,371.55 : x
  2. Step 2: Convert to fraction form
    221,808.60/306,150.27 = 126,371.55/x
  3. Step 3: Cross multiply
    221,808.60x = 306,150.27 × 126,371.55
  4. Step 4: Simplify right side
    221,808.60x = 38,688,684,152.82
  5. Step 5: Solve for x
    x = 38,688,684,152.82/221,808.60
  6. Step 6: Final answer
    x = 174,423.73

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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.