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Finding the Fourth Proportional to 128,602.89, 192,671.06 and 94,952.25

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Solution

The fourth proportional to 128,602.89, 192,671.06 and 94,952.25 is: 142,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,602.89 : 192,671.06 = 94,952.25 : x
  2. Step 2: Convert to fraction form
    128,602.89/192,671.06 = 94,952.25/x
  3. Step 3: Cross multiply
    128,602.89x = 192,671.06 × 94,952.25
  4. Step 4: Simplify right side
    128,602.89x = 18,294,550,182.12
  5. Step 5: Solve for x
    x = 18,294,550,182.12/128,602.89
  6. Step 6: Final answer
    x = 142,256.14

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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.