Home / 128,280.40-192,402.48-44,039.08

Finding the Fourth Proportional to 128,280.40, 192,402.48 and 44,039.08

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Solution

The fourth proportional to 128,280.40, 192,402.48 and 44,039.08 is: 66,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,280.40 : 192,402.48 = 44,039.08 : x
  2. Step 2: Convert to fraction form
    128,280.40/192,402.48 = 44,039.08/x
  3. Step 3: Cross multiply
    128,280.40x = 192,402.48 × 44,039.08
  4. Step 4: Simplify right side
    128,280.40x = 8,473,228,208.92
  5. Step 5: Solve for x
    x = 8,473,228,208.92/128,280.40
  6. Step 6: Final answer
    x = 66,052.40

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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.