Home / 128,501.91-192,731.81-35,014.95

Finding the Fourth Proportional to 128,501.91, 192,731.81 and 35,014.95

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Solution

The fourth proportional to 128,501.91, 192,731.81 and 35,014.95 is: 52,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,501.91 : 192,731.81 = 35,014.95 : x
  2. Step 2: Convert to fraction form
    128,501.91/192,731.81 = 35,014.95/x
  3. Step 3: Cross multiply
    128,501.91x = 192,731.81 × 35,014.95
  4. Step 4: Simplify right side
    128,501.91x = 6,748,494,515.48
  5. Step 5: Solve for x
    x = 6,748,494,515.48/128,501.91
  6. Step 6: Final answer
    x = 52,516.69

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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.