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Finding the Fourth Proportional to 127,230.92, 175,579.06 and 70,642.44

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Solution

The fourth proportional to 127,230.92, 175,579.06 and 70,642.44 is: 97,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,230.92 : 175,579.06 = 70,642.44 : x
  2. Step 2: Convert to fraction form
    127,230.92/175,579.06 = 70,642.44/x
  3. Step 3: Cross multiply
    127,230.92x = 175,579.06 × 70,642.44
  4. Step 4: Simplify right side
    127,230.92x = 12,403,333,211.31
  5. Step 5: Solve for x
    x = 12,403,333,211.31/127,230.92
  6. Step 6: Final answer
    x = 97,486.78

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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.