Home / 179,039.40-268,559.10-84,210.63

Finding the Fourth Proportional to 179,039.40, 268,559.10 and 84,210.63

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Solution

The fourth proportional to 179,039.40, 268,559.10 and 84,210.63 is: 126,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,039.40 : 268,559.10 = 84,210.63 : x
  2. Step 2: Convert to fraction form
    179,039.40/268,559.10 = 84,210.63/x
  3. Step 3: Cross multiply
    179,039.40x = 268,559.10 × 84,210.63
  4. Step 4: Simplify right side
    179,039.40x = 22,615,531,003.23
  5. Step 5: Solve for x
    x = 22,615,531,003.23/179,039.40
  6. Step 6: Final answer
    x = 126,315.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.