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Finding the Fourth Proportional to 172,157.88, 237,572.19 and 94,633.79

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Solution

The fourth proportional to 172,157.88, 237,572.19 and 94,633.79 is: 130,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157.88 : 237,572.19 = 94,633.79 : x
  2. Step 2: Convert to fraction form
    172,157.88/237,572.19 = 94,633.79/x
  3. Step 3: Cross multiply
    172,157.88x = 237,572.19 × 94,633.79
  4. Step 4: Simplify right side
    172,157.88x = 22,482,356,796.21
  5. Step 5: Solve for x
    x = 22,482,356,796.21/172,157.88
  6. Step 6: Final answer
    x = 130,591.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.