Home / 94,529.80-141,621.90-76,904.20

Finding the Fourth Proportional to 94,529.80, 141,621.90 and 76,904.20

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Solution

The fourth proportional to 94,529.80, 141,621.90 and 76,904.20 is: 115,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,529.80 : 141,621.90 = 76,904.20 : x
  2. Step 2: Convert to fraction form
    94,529.80/141,621.90 = 76,904.20/x
  3. Step 3: Cross multiply
    94,529.80x = 141,621.90 × 76,904.20
  4. Step 4: Simplify right side
    94,529.80x = 10,891,318,921.98
  5. Step 5: Solve for x
    x = 10,891,318,921.98/94,529.80
  6. Step 6: Final answer
    x = 115,215.72

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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.