Home / 154,578.24-213,311.88-87,510.24

Finding the Fourth Proportional to 154,578.24, 213,311.88 and 87,510.24

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Solution

The fourth proportional to 154,578.24, 213,311.88 and 87,510.24 is: 120,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,578.24 : 213,311.88 = 87,510.24 : x
  2. Step 2: Convert to fraction form
    154,578.24/213,311.88 = 87,510.24/x
  3. Step 3: Cross multiply
    154,578.24x = 213,311.88 × 87,510.24
  4. Step 4: Simplify right side
    154,578.24x = 18,666,973,813.65
  5. Step 5: Solve for x
    x = 18,666,973,813.65/154,578.24
  6. Step 6: Final answer
    x = 120,760.68

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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.