Home / 128,244.47-192,369.95-60,760.68

Finding the Fourth Proportional to 128,244.47, 192,369.95 and 60,760.68

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Solution

The fourth proportional to 128,244.47, 192,369.95 and 60,760.68 is: 91,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,244.47 : 192,369.95 = 60,760.68 : x
  2. Step 2: Convert to fraction form
    128,244.47/192,369.95 = 60,760.68/x
  3. Step 3: Cross multiply
    128,244.47x = 192,369.95 × 60,760.68
  4. Step 4: Simplify right side
    128,244.47x = 11,688,528,669.76
  5. Step 5: Solve for x
    x = 11,688,528,669.76/128,244.47
  6. Step 6: Final answer
    x = 91,142.56

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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.