Home / 112,997.57-155,935.06-64,598.92

Finding the Fourth Proportional to 112,997.57, 155,935.06 and 64,598.92

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Solution

The fourth proportional to 112,997.57, 155,935.06 and 64,598.92 is: 89,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,997.57 : 155,935.06 = 64,598.92 : x
  2. Step 2: Convert to fraction form
    112,997.57/155,935.06 = 64,598.92/x
  3. Step 3: Cross multiply
    112,997.57x = 155,935.06 × 64,598.92
  4. Step 4: Simplify right side
    112,997.57x = 10,073,235,914.80
  5. Step 5: Solve for x
    x = 10,073,235,914.80/112,997.57
  6. Step 6: Final answer
    x = 89,145.60

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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.