Home / 99,285.28-148,571.16-72,924.64

Finding the Fourth Proportional to 99,285.28, 148,571.16 and 72,924.64

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Solution

The fourth proportional to 99,285.28, 148,571.16 and 72,924.64 is: 109,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,285.28 : 148,571.16 = 72,924.64 : x
  2. Step 2: Convert to fraction form
    99,285.28/148,571.16 = 72,924.64/x
  3. Step 3: Cross multiply
    99,285.28x = 148,571.16 × 72,924.64
  4. Step 4: Simplify right side
    99,285.28x = 10,834,498,357.38
  5. Step 5: Solve for x
    x = 10,834,498,357.38/99,285.28
  6. Step 6: Final answer
    x = 109,124.92

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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.