Home / 99,364.58-149,043.44-28,287.65

Finding the Fourth Proportional to 99,364.58, 149,043.44 and 28,287.65

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Solution

The fourth proportional to 99,364.58, 149,043.44 and 28,287.65 is: 42,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,364.58 : 149,043.44 = 28,287.65 : x
  2. Step 2: Convert to fraction form
    99,364.58/149,043.44 = 28,287.65/x
  3. Step 3: Cross multiply
    99,364.58x = 149,043.44 × 28,287.65
  4. Step 4: Simplify right side
    99,364.58x = 4,216,088,665.52
  5. Step 5: Solve for x
    x = 4,216,088,665.52/99,364.58
  6. Step 6: Final answer
    x = 42,430.50

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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.