Home / 128,457.46-192,436.82-94,662.13

Finding the Fourth Proportional to 128,457.46, 192,436.82 and 94,662.13

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Solution

The fourth proportional to 128,457.46, 192,436.82 and 94,662.13 is: 141,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,457.46 : 192,436.82 = 94,662.13 : x
  2. Step 2: Convert to fraction form
    128,457.46/192,436.82 = 94,662.13/x
  3. Step 3: Cross multiply
    128,457.46x = 192,436.82 × 94,662.13
  4. Step 4: Simplify right side
    128,457.46x = 18,216,479,271.63
  5. Step 5: Solve for x
    x = 18,216,479,271.63/128,457.46
  6. Step 6: Final answer
    x = 141,809.43

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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.