Home / 128,281.24-192,424.74-44,040.76

Finding the Fourth Proportional to 128,281.24, 192,424.74 and 44,040.76

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Solution

The fourth proportional to 128,281.24, 192,424.74 and 44,040.76 is: 66,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,281.24 : 192,424.74 = 44,040.76 : x
  2. Step 2: Convert to fraction form
    128,281.24/192,424.74 = 44,040.76/x
  3. Step 3: Cross multiply
    128,281.24x = 192,424.74 × 44,040.76
  4. Step 4: Simplify right side
    128,281.24x = 8,474,531,792.40
  5. Step 5: Solve for x
    x = 8,474,531,792.40/128,281.24
  6. Step 6: Final answer
    x = 66,062.13

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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.