Home / 90,007.58-134,972.88-30,849.23

Finding the Fourth Proportional to 90,007.58, 134,972.88 and 30,849.23

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Solution

The fourth proportional to 90,007.58, 134,972.88 and 30,849.23 is: 46,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,007.58 : 134,972.88 = 30,849.23 : x
  2. Step 2: Convert to fraction form
    90,007.58/134,972.88 = 30,849.23/x
  3. Step 3: Cross multiply
    90,007.58x = 134,972.88 × 30,849.23
  4. Step 4: Simplify right side
    90,007.58x = 4,163,808,744.02
  5. Step 5: Solve for x
    x = 4,163,808,744.02/90,007.58
  6. Step 6: Final answer
    x = 46,260.65

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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.