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Finding the Fourth Proportional to 112,593.24, 155,063.16 and 93,558.24

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Solution

The fourth proportional to 112,593.24, 155,063.16 and 93,558.24 is: 128,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,593.24 : 155,063.16 = 93,558.24 : x
  2. Step 2: Convert to fraction form
    112,593.24/155,063.16 = 93,558.24/x
  3. Step 3: Cross multiply
    112,593.24x = 155,063.16 × 93,558.24
  4. Step 4: Simplify right side
    112,593.24x = 14,507,436,338.44
  5. Step 5: Solve for x
    x = 14,507,436,338.44/112,593.24
  6. Step 6: Final answer
    x = 128,848.20

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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.